As we approach the end of 2011, we should all take some time to reflect upon the craziness that's gone down over the year. Buzzfeed recently compiled a collection of the most powerful photographs of 2011. From Occupy Wall Street to The Situation Room, there's been plenty of pop culture moments captured on film. Hit the thumbs to check out Buzzfeed's picks for the most powerful photos of the year. [Buzzfeed]