Photos of the Year: 2011 Winners: Photographer of the Year: 2011_pro_01_25

Photographer of the YearLogan Mock-BuntingA crowd waves an American flag outside the White House while celebrating the news of Osama bin Laden's death, May 5, 2011. People cheered and sang for hours in Washington DC after the Al-Qaida leader was announced killed by US Special Forces in Pakistan.

Photographer of the Year 

Logan Mock-Bunting 

A crowd waves an American flag outside the White House while celebrating the news of Osama bin Laden's death, May 5, 2011. People cheered and sang for hours in Washington DC after the Al-Qaida leader was announced killed by US Special Forces in Pakistan.