Rook uses stones to raise water level and get food

2 点作者 Dauntless将近 16 年前

1 comment

martey将近 16 年前

Dupe of <a href="http://news.ycombinator.com/item?id=748871" rel="nofollow">http://news.ycombinator.com/item?id=748871</a> (which is currently #4 on the front page)