The photo-link below shows wing-suit pioneer, Jeb Corliss, about to check out some cave entrances ( rock shelters ? ) in the side of a cliff:
https://scontent-a-dfw.xx.fbcdn.net/hphotos-frc1/598632_613259112050379_395002478_n.jpg ( click on that photo to enlarge it ) If you freeze this video below at 3:50 and 4:11, you can see passing the potential cave entrances in the gap between the 2 large rock pinnacles: http://www.youtube.com/watch?v=nWyATL-G_xc#t=138 Somebody needs to send some drones up there to check those out. Ref: https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-ash4/s720x720/1381431_611769475532676_984633115_n.jpg There is some kind of building on top, so maybe there is already a walkway up there ? This is in eastern China, and the stunt took place a few days ago.
