In November 2010, six climbers—Jimmy Chin, Alex Honnold, Tim Kemple, Renan Ozturk, James Pearson and Mark Synnott—spent ten days exploring the Ennedi Desert, a little-known corner of Chad with a wealth of gracefully carved sandstone towers. "I'd never heard of [the Ennedi] and honestly had a sketchy grasp of where Chad was in Africa," said Honnold.

Here their exploits were caught on film in quite spectacular fashion...