1: リバースパワースラム(東日本) 2014/02/10 18:03:30 ID:SiEzJ4GL0
How Dogs and Cats Teach Their Offspring to Use the Stairs
http://www.youtube.com/watch?feature=player_embedded&v=i0eppgL7OwE
http://news.mynavi.jp/news/2014/02/07/013/
http://www.youtube.com/watch?feature=player_embedded&v=i0eppgL7OwE
http://news.mynavi.jp/news/2014/02/07/013/
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