An official investigation into the cause of a balloon accident that killed 19 people in Egypt could take two weeks.

The tragic hot air balloon crash in Luxor on Tuesday comes at a time when Egypt's tourism industry has been struggling to prove that the country is still safe to visit in the wake of the 2011 revolution.

Bekoji, in Ethiopia, is a sleepy town of less than 20,000 people. It's also home to some of the best distance runners in the world.