group photograph, 合影/ 團體照/ 大合照

Britain's Prince William, Duke of Cambridge (center front row), smiles as he joins The Corporal's Mess group photograph during a St Patrick's Day Parade in Hounslow, west London, March 17, 2016.
March 18, 2016
http://www.voanews.com/media/photogallery/march-18-2016/3243748.html