Key landmarks near the Istanbul bombing
Blue Mosque
(Emrah Gurel / Associated Press)Basilica Cistern
(Mustafa Ozer / AFP/Getty Images)Obelisk in Istanbul
(Dan Kitwood / Getty Images)Sultanahmet square
(Bulent Kilic / AFP/Getty Images)Topkapi Palace
(Sean Gallup / Getty Images)Topkapi Palace
(Sean Gallup / Getty Images)