Title: Bibliotheca Alexandrina Conference Centre in Bab Sharqi - Tours and Activities | Expedia.ca [Bibliotheca Alexandrina Conference Centre Hotels](https://expedia.ca/Bibliotheca-Alexandrina-Conference-Centre-Hotels.0-l818566939603365888-0.Travel-Guide-Filter-Hotels)[Bibliotheca Alexandrina Conference Centre Car Rentals](https://expedia.ca/Car-Rentals-In-Bibliotheca-Alexandrina-Conference-Centre.d818566939603365888.Car-Rental-Guide)[Bab Sharqi Vacations](https://expedia.ca/Bab-Sharqi.d553248635967619542.Destination-Travel-Guides) # Bibliotheca Alexandrina Conference Centre Tours and Activities ## Visit Bibliotheca Alexandrina Conference Centre Activities --- --- ## Plan a trip to see Bibliotheca Alexandrina Conference Centre Price found within the past 48 hours. Click for updated prices. ![SUNRISE Alex Avenue Hotel](https://images.trvl-media.com/lodging/43000000/42580000/42575000/42574953/ac644edd_y.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) ### SUNRISE Alex Avenue Hotel Stanley CA $2,293 per person Apr 13 - Apr 19 found 1 day ago Roundtrip flight included Calgary (YYC) to Alexandria (HBE) 9/10 Wonderful! (529 reviews) Love this place from you walk in the door the staff made you feel welcome with the welcome home, glass of orange juice and later fruits and treats it was just overwhelming. I love it here and definitely will be back. Reviewed on Mar 8, 2026 ![Four Seasons Hotel Alexandria at San Stefano](https://images.trvl-media.com/lodging/2000000/1660000/1652700/1652698/d095dcae_y.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) ### Four Seasons Hotel Alexandria at San Stefano Stanley CA $3,035 per person Apr 13 - Apr 19 found 1 day ago Roundtrip flight included Calgary (YYC) to Alexandria (HBE) 9.6/10 Exceptional! (298 reviews) Excellent experience, the best experience I’ve ever had in any hotel in my life Reviewed on Mar 6, 2026 ### Tours & day trips [See all 83 activities](https://expedia.ca/things-to-do/search?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&filter.categories=ToursDayTrips) ![Full-Day Alexandria Tour from Cairo: Catacombs, Citadel, Serapeum & Lunch](https://mediaim.expedia.com/localexpert/3030417/beffd690-8eec-4f11-9476-cc846f8879cb.jpg?impolicy=resizecrop&rw=500&rh=280) ### Full-Day Alexandria Tour from Cairo: Catacombs, Citadel, Serapeum & Lunch 11h 9.6/10 24 verified reviews Free cancellation available ~~CA $102~~CA $78 includes taxes & fees per adult [](https://www.expedia.ca/things-to-do/full-day-alexandria-tour-from-cairo-catacombs-citadel-serapeum-lunch.a3030417.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Private Alexandria Highlights Guided Day Tour](https://mediaim.expedia.com/localexpert/1066300/e9f4e826-0a03-4944-b76f-c45f59a1393c.jpg?impolicy=resizecrop&rw=500&rh=280) ### Private Alexandria Highlights Guided Day Tour 7h 9.6/10 58 Viator reviews Free cancellation available CA $68 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/private-alexandria-highlights-guided-day-tour.a1066300.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria Day Trip From Cairo](https://mediaim.expedia.com/localexpert/1325406/048185e0-ce06-4c06-967d-d965fa8d2c6f.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Day Trip From Cairo 12h 8.6/10 179 Viator reviews Free cancellation available CA $95 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-day-trip-from-cairo.a1325406.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria trip from Cairo & Alexandria day Tour](https://mediaim.expedia.com/localexpert/46099886/38fef0cb-1add-4d09-99fa-4157db26f5c1.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria trip from Cairo & Alexandria day Tour 11h 9.8/10 6 Viator reviews Free cancellation available CA $255 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/full-day-tour-to-alexandria-alexandria-tour.a46099886.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![From Alexandria Port: Tour to Pyramids, Citadel & Bazaar](https://mediaim.expedia.com/localexpert/47063675/2a2edbc7-0a1c-431a-9e8c-47726f997951.jpg?impolicy=resizecrop&rw=500&rh=280) ### From Alexandria Port: Tour to Pyramids, Citadel & Bazaar 12h Free cancellation available ~~CA $316~~CA $299 includes taxes & fees per adult [](https://www.expedia.ca/things-to-do/from-alexandria-port-tour-to-pyramids-citadel-bazaar.a47063675.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Full-Day Alexandria private Guided Tour from Cairo with Lunch](https://mediaim.expedia.com/localexpert/46061481/ec062dd4-3773-4ea6-bd17-61cc938e9410.jpg?impolicy=resizecrop&rw=500&rh=280) ### Full-Day Alexandria private Guided Tour from Cairo with Lunch 10h 10/10 4 Viator reviews Free cancellation available CA $121 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-private-day-tour-from-cairo.a46061481.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria Full Day Trip](https://mediaim.expedia.com/localexpert/1146384/25d755d2-7220-4b2a-a184-da2f455b29c6.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Full Day Trip 8h 9.2/10 38 Viator reviews Free cancellation available CA $68 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-full-day-trip.a1146384.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![All-inclusive Day Tour To Cairo from Alexandria Port](https://mediaim.expedia.com/localexpert/49553489/91c612a8-4781-4a36-8634-259c34c3222b.jpg?impolicy=resizecrop&rw=500&rh=280) ### All-inclusive Day Tour To Cairo from Alexandria Port 13h 9.4/10 32 Viator reviews Free cancellation available ~~CA $252~~CA $239 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/cairo-private-day-tour-from-alexandria-port.a49553489.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria Private Day Tour From Cairo](https://mediaim.expedia.com/localexpert/47191054/88edd4c7-deb5-4904-87c4-5194c5ddaae1.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Private Day Tour From Cairo 10h 10/10 8 Viator reviews Free cancellation available CA $148 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-private-day-tour-from-cairo.a47191054.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Overnight Trip To Cairo from Alexandria Port](https://mediaim.expedia.com/localexpert/2068082/827bfe38-c81e-4717-9020-5a78127dc909.jpg?impolicy=resizecrop&rw=500&rh=280) ### Overnight Trip To Cairo from Alexandria Port 2d Free cancellation available CA $424 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/overnight-trip-to-cairo-from-alexandria-port.a2068082.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ### Food, drink & nightlife [See all 4 activities](https://expedia.ca/things-to-do/search?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&filter.categories=FoodDrinkNightlife) ![Alexandria Private Full-Day Tour with Lunch](https://mediaim.expedia.com/localexpert/200679/142bbe90-a3a3-4cdc-a753-93fbe7ef7857.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Private Full-Day Tour with Lunch 12h 5.4/10 12 verified reviews Free cancellation available CA $224 includes taxes & fees per adult [](https://www.expedia.ca/things-to-do/alexandria-private-full-day-tour-with-lunch.a200679.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![From Alexandria: Highlights of Alexandria Full City Tour](https://mediaim.expedia.com/localexpert/47901698/4c80c0e0-e0d2-47f5-bcb6-47ce131e1510.jpg?impolicy=resizecrop&rw=500&rh=280) ### From Alexandria: Highlights of Alexandria Full City Tour 5h 10/10 17 GetYourGuide reviews Free cancellation available CA $109 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/from-alexandria-highlights-of-alexandria-full-city-tour.a47901698.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria Food Tour Top Rated](https://mediaim.expedia.com/localexpert/47872703/89e8a9bb-d6fe-4994-aac7-263c66a15da2.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Food Tour Top Rated 5h 10/10 2 GetYourGuide reviews Free cancellation available CA $68 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-food-tour.a47872703.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Graeco Roman Museum Guided Walking Tour by a Storyteller](https://mediaim.expedia.com/localexpert/52111881/1ad89b14-7396-4498-a334-9b0f9769a042.jpg?impolicy=resizecrop&rw=500&rh=280) ### Graeco Roman Museum Guided Walking Tour by a Storyteller 2h Free cancellation available CA $61 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/graeco-roman-museum-guided-walking-tour-by-a-storyteller.a52111881.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ### Adventure & outdoor [See all 3 activities](https://expedia.ca/things-to-do/search?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&filter.categories=AdventureOutdoor) ![Alexandria Private Day Tour From Cairo](https://mediaim.expedia.com/localexpert/47191054/88edd4c7-deb5-4904-87c4-5194c5ddaae1.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Private Day Tour From Cairo 10h 10/10 8 Viator reviews Free cancellation available CA $148 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-private-day-tour-from-cairo.a47191054.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria Private Day Tour From Cairo with Lunch and Tickets](https://mediaim.expedia.com/localexpert/49555164/6981b872-e28b-4a28-ad9b-5383ec2c51d0.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Private Day Tour From Cairo with Lunch and Tickets 10h 8.4/10 5 Viator reviews Free cancellation available CA $148 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-private-day-tour-from-cairo.a49555164.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexandria from Cairo; Self-Tailored Day Tour with A Prof. Guide](https://mediaim.expedia.com/localexpert/50945956/a1a4bf97-0804-422a-bb43-47e16446c73b.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria from Cairo; Self-Tailored Day Tour with A Prof. Guide 11h Free cancellation available CA $88 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/top-rated-private-customisable-day-tour-to-alexandria-from-cairo.a50945956.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ### Wildlife & nature [See all 3 activities](https://expedia.ca/things-to-do/search?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&filter.categories=WildlifeNature) ![Alexandria Private Day Tour From Cairo with Lunch and Tickets](https://mediaim.expedia.com/localexpert/49555164/6981b872-e28b-4a28-ad9b-5383ec2c51d0.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexandria Private Day Tour From Cairo with Lunch and Tickets 10h 8.4/10 5 Viator reviews Free cancellation available CA $148 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexandria-private-day-tour-from-cairo.a49555164.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Alexander the Great Exclusive Tomb Excavations](https://mediaim.expedia.com/localexpert/52114335/446d3a4a-7889-4599-ba40-abcf7d3ef2d1.jpg?impolicy=resizecrop&rw=500&rh=280) ### Alexander the Great Exclusive Tomb Excavations 3h Free cancellation available CA $41 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/alexander-the-great-exclusive-tomb-excavations.a52114335.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ![Catacombs of kom el shoqafa Guided Walking Tour](https://mediaim.expedia.com/localexpert/52164730/2cbfd53e-6a3d-401e-8544-e57bf832514e.jpg?impolicy=resizecrop&rw=500&rh=280) ### Catacombs of kom el shoqafa Guided Walking Tour 2h Free cancellation available CA $48 includes taxes & fees per adult\* \*Get lower prices by selecting more than 2 adults [](https://www.expedia.ca/things-to-do/catacombs-of-kom-el-shoqafa-guided-walking-tour.a52164730.activity-details?&rid=818566939603365888&location=Bibliotheca+Alexandrina+Conference+Centre&swp=off) ### Popular places to visit ![#StunningStructures ](https://images.trvl-media.com/place/6112174/09961914-2ccc-4768-af85-f3010df53698.jpg?impolicy=fcrop&w=900&h=506&q=mediumHigh) #### Bibliotheca Alexandrina After visiting Bibliotheca Alexandrina, make a plan to see the other sights and activities in Alexandria. Wander the seaside and beautiful beaches in the area. [](https://expedia.ca/Bibliotheca-Alexandrina-Bab-Sharqi.d6112174.Vacation-Attraction) #### Alexandria University Explore the campus of Alexandria University during your stay in Alexandria. Wander the seaside and beautiful beaches in the area. [](https://expedia.ca/Alexandria-University-Bab-Sharqi.d6112196.Vacation-Attraction) #### Al Qaaed Ibrahim Basha Mosque After visiting Al Qaaed Ibrahim Basha Mosque, make a plan to see the other sights and activities in Alexandria. [](https://expedia.ca/Al-Qaaed-Ibrahim-Basha-Mosque-El-Atareen.d951253036073136128.Vacation-Attraction) #### Alexandria Corniche Alexandria Corniche is just one of the places to see in Alexandria, so why not enjoy the other things to explore during your travels? [](https://expedia.ca/Alexandria-Corniche-Bab-Sharqi.d951249715943890944.Vacation-Attraction) #### Mamoura Beach If a restful vacation is part of your travel plans, Mamoura Beach might be the perfect place to seek out during your trip to Alexandria. Wander the area's seaside or simply enjoy one of its top-notch restaurants. [](https://expedia.ca/Mamoura-Beach-Alexandria.d553248621532482107.Vacation-Attraction) #### Shallalat Gardens Explore the great outdoors at Shallalat Gardens, a lovely green space in Alexandria. While you're in the area, stroll along the seaside. [](https://expedia.ca/Shallalat-Gardens-Bab-Sharqi.d6112194.Vacation-Attraction) --- ## Best Lodging Options Near Bibliotheca Alexandrina Conference Centre ## Check availability on hotels close to Bibliotheca Alexandrina Conference Centre [Tonight ](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=2026-03-11&endDate=2026-03-12)[Mar 11 - Mar 12](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=2026-03-11&endDate=2026-03-12) [Tomorrow night ](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=2026-03-12&endDate=2026-03-13)[Mar 12 - Mar 13](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=2026-03-12&endDate=2026-03-13) [This weekend ](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=13%2F03%2F2026&endDate=15%2F03%2F2026)[Mar 13 - Mar 15](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=13%2F03%2F2026&endDate=15%2F03%2F2026) [Next weekend ](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=20%2F03%2F2026&endDate=22%2F03%2F2026)[Mar 20 - Mar 22](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.CheckPrices.Package&adults=2&openPlayBack=true®ionId=818566939603365888&startDate=20%2F03%2F2026&endDate=22%2F03%2F2026) ![SUNRISE Alex Avenue Hotel](https://images.trvl-media.com/lodging/43000000/42580000/42575000/42574953/ac644edd_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### SUNRISE Alex Avenue Hotel Cornish Road, Roushdy Alexandria [](https://expedia.ca/Alexandria-Hotels-SUNRISE-Alex-Avenue-Hotel.h42574953.Hotel-Information) ![Four Seasons Hotel Alexandria at San Stefano](https://images.trvl-media.com/lodging/2000000/1660000/1652700/1652698/d095dcae_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Four Seasons Hotel Alexandria at San Stefano 399 El Geish Road Alexandria [](https://expedia.ca/Alexandria-Hotels-Four-Seasons-Hotel-Alexandria-At-San-Stefano.h1652698.Hotel-Information) ![Le Metropole Luxury Heritage Hotel Since 1902 by Paradise Inn Group](https://images.trvl-media.com/lodging/8000000/7050000/7049600/7049533/44c6b070_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Le Metropole Luxury Heritage Hotel Since 1902 by Paradise Inn Group 52\. Saad Zaghloul St. Alexandria [](https://expedia.ca/Alexandria-Hotels-Paradise-Inn-Le-Metropole-Hotel.h7049533.Hotel-Information) ![Windsor Palace Luxury Heritage Hotel Since 1906 by Paradise Inn Group](https://images.trvl-media.com/lodging/8000000/7180000/7172100/7172034/e3928353_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Windsor Palace Luxury Heritage Hotel Since 1906 by Paradise Inn Group 17, El Shohada St., El Ramle Station Alexandria [](https://expedia.ca/Alexandria-Hotels-Windsor-Palace-Hotel.h7172034.Hotel-Information) ![Crowne Plaza Alexandria Mirage by IHG](https://images.trvl-media.com/lodging/98000000/97120000/97119700/97119668/e628e23b_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Crowne Plaza Alexandria Mirage by IHG Victor Emanuel square Alexandria [](https://expedia.ca/Alexandria-Hotels-Mirage-Hotel-Conference-Center.h97119668.Hotel-Information) ![Hilton Alexandria Green Plaza](https://images.trvl-media.com/lodging/1000000/910000/907300/907218/e2cc5911_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Hilton Alexandria Green Plaza 14th of May Bridge Road Alexandria [](https://expedia.ca/Alexandria-Hotels-Hilton-Alexandria-Green-Plaza.h907218.Hotel-Information) ![Steigenberger Cecil Hotel](https://images.trvl-media.com/lodging/1000000/20000/16300/16283/38bd0a21_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Steigenberger Cecil Hotel 16, Saad Zagloul Square, Raml Station Alexandria [](https://expedia.ca/Alexandria-Hotels-Steigenberger-Cecil-Alexandria-Hotel.h16283.Hotel-Information) ![Semiramis hotel](https://images.trvl-media.com/lodging/90000000/90000000/89996300/89996290/e8fd1390_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Semiramis hotel El-Gaish Rd Alexandria Alexandria Governorate [](https://expedia.ca/Alexandria-Hotels-Semiramis-Hotel.h89996290.Hotel-Information) ![Sea Star Hotel](https://images.trvl-media.com/lodging/72000000/71990000/71986700/71986694/97396050_y.jpg?impolicy=resizecrop&rw=340&ch=150) ### Sea Star Hotel 24 Amin Fekry Alexandria Alexandria Governorate [](https://expedia.ca/Alexandria-Hotels-Sea-Star-Hotel.h71986694.Hotel-Information) [See all 400 properties in Bibliotheca Alexandrina Conference Centre](https://expedia.ca/Hotel-Search?rfrrid=TG.LP.Hotels.Package®ionId=818566939603365888) Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.ca/deals?rfrr=DX_POI_Spring_PROMO_818566939603365888)