description About
Why is a small region of China home to an extraordinary number of giant holes containing vast, little explored subterranean forests? One professor is on a dangerous mission to find out.
Info
- verified Status: Released
- calendar_month Release Date: 2012-01-01
- video_camera_front Companies National Geographic
- timer Runtime: 45 Mins
- star Rating: 8 / 10
- favorite Likes: 1 Likes
- info IMDB ID
- visibilityViews: 7 views
-
starUser Ratings:
image Images
comment Comments