While it's true that we've posted a fair few flying videos of late, we simply couldn't resist highlighting this one: Jeb Corliss wingsuit flying through the enormous Tianmen Cave in China's Hunan ...

The challenge consisted of climbing 999 steps at a 45 degrees angle. It began at the bottom of the Tianmen Mountain Road, which has a stairway and 99 dizzying turns. The hybrid SUV is the first ...