Baby Mountain Gorilla | Gorillas Revisited with Sigourney Weaver | BBC Earth

Sigourney Weaver visits an animal sanctuary to take part in a psychological study designed to help a baby mountain gorilla now in captivity recover from trauma. Visit http://www.bbcearth.com for all the latest animal news and wildlife videos and watch more high quality videos on the new BBC Earth YouTube channel here: http://www.youtube.com/bbcearth