On Sunday, an extreme sports lover from Shandong province ascended the 999-step stairs leading ... Sun Guoshan has climbed 34 mountains in China this way and claims his Tianmen Mountain effort ...

The impressive video of American Jeb Corliss flying through the Tianmen Hole in China. While it's true that we've posted a fair few flying videos of late, we simply couldn't resist highlighting this ...

on Tainmen Mountain, China. 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.

With 3.7 million square miles of land, China ... Kunlun Mountains, the Tianshan Mountains, and the Qinling Mountains. But there is a lesser-known and very unique range called the Tianmen, in ...