The San Diego Zoo's polar bear exhibit has a huge water area and a lot of areas where you can see the great underwater action. They also give the bears all kinds of toys to keep them entertained and one of their favorite sports is underwater basketball. In fact, I've seen them play a few times myself.
Since most of you probably can't make the trip out to Southern California just for the sake of seeing our adorably playful polar bears, this YouTube video by wong1340 shows just how adorable a playful 500+ pound beast really can be...as long as there's a nice thick layer of glass protecting you.
Via Huffington Post
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