Best Amateur "After Dark" Picture
Photograph courtesy Chumlong Nilkon, Sony World Photography Awards
Hundreds of floating lanterns ascend in Chiang Mai, Thailand, in the winning "After Dark" picture in the World Photography Awards' 2011 Open Competition.
"We believe that it's a symbol of problems and worries floating away," photographer Chumlong Nilkon said of the lanterns in a statement.
(Related: "Best News Pictures of 2010: World Press Winners.")