Oh, just kidding. I see it now.

There is no way that is a cat.

Oh my god, I've been a fan of the Wonder Girls for month snow! I love their songs. Here's a similar video, of traffic cops dancing to the Wonder Girl's "Tell me":
http://www.youtube.com/watch?v=NNQNByxLNGQ

There are tons of videos like these, since they are wildly popular in South Korea.