Found this video on youtube, it's of him making a scale model of windurst walls.

Amazing work, same guy that did the Sand'oria model a while ago.

http://www.youtube.com/watch?v=VX7rT...ature=youtu.be

Sand'orian model, for those that may not of seen it.

http://www.youtube.com/watch?v=0OdB9i4HsWI