Into the Light
Majlis al-Jinn, a vast underground chamber in Oman, is big enough to house the Great Pyramid of Giza or more than a dozen Boeing 747 Jumbo Jets. After rappelling down a 170-metre drop, Chris Sharma and his partner set out for their record-breaking ascent from the deepest point of the cave. Fighting gravity they follow the enormous arch suspended upside down much of the time. It is a ground-breaking climb back into the light.