Familiar Faces | Gorillas Revisited with Sigourney Weaver | BBC Earth

Sigourney Weaver sits with Gorilla experts and re-familiarises herself with some of the faces she first met 20 years previously. She and the rangers identify old faces by their unique nose prints. 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