Rook uses stones to raise water level and get food #1 Post by Dauntless » Sat, Aug 08, 2009, 6:41 AM UTC Rook uses stones to raise water level and get foodyoutube.com
Re: Rook uses stones to raise water level and get food #2 Post by martey » Sat, Aug 08, 2009, 7:14 AM UTC Dupe of http://news.ycombinator.com/item?id=748871 (which is currently #4 on the front page)