Some travel guides have described Luxor as the world's largest "open-air museum."

VOA: special.2011.03.08

Tuesday's crash prompted Gov. Izzat Saad of Luxor province to ban all hot air balloon flights until further notice.

CNN: Deadliest balloon crash in decades kills 19 in Egypt

The Egyptian authorities have suspended all hot air balloon flights near Luxor and launched an investigation following the deaths of 19 tourists in a crash.

BBC: Egypt suspends Luxor balloon flights after deadly crash

The last hot air balloon accident in Luxor occurred in 2009, when 16 foreign tourists were injured after a balloon struck a cell phone transmission tower.

CNN: Deadliest balloon crash in decades kills 19 in Egypt