polar bear

They're actually called 'polar bear cages,' and they're there so polar bears can't attack you as soon as you walk outside.

http://www.youtube.com/watch?v=7IzdtFLbehU&feature=player_embedded This video has generated over 200,000 views, but is it real? It shows a cross country skier in Oslo, Norway running into a polar bear, but the authenticity of the bear is debatable.