This was also posted on The Witness blog if you'd like to see more comments. http://the-witness.net/news/2012/12/mapping-the-islands-walkable-surfaces/ http://

This was also posted on The Witness blog if you'd like to see more comments. http://the-witness.net/news/2012/12/mapping-the-islands-walkable-surfaces/ http://the-witness.net/news/2012/12/mapping-the-islands-walk...