All are great pictures, most are sad in some way or another. This is my favorite as it shows a glipse of lightheartedness in the midst of chaos.
http://summify.com/story/TttN023fnAgIAbOh/www.buzzfeed.com/mjs538/the-most-powerful-photos-of-2011?utm_campaign=share&utm_medium=general&utm_source=share
http://summify.com/story/TttN023fnAgIAbOh/www.buzzfeed.com/mjs538/the-most-powerful-photos-of-2011?utm_campaign=share&utm_medium=general&utm_source=share