Also see pictures fromlast years International Pillow Fight day.
People attend a flash-mob pillow fight during International Pillow Fight Day on April 7, 2012 in Stockholm.
CARLOS BARRIA/REUTERS
A police officer tries to stop a pillow fight at People Square in Shanghai.
CARLOS BARRIA/REUTERS
People fight in Washington Square Park in New York.
ANDREW BURTON/REUTERS
This young participant gets a boost in Budapest.
LASZLO BALOGH/REUTERS
The feathers fly in Trafalgar Square in London.
OLIVIA HARRIS/Reuters
People throw their pillows up in the air in Taipei.
THOMAS PETER/Reuters
Pillow-fighting at Trafalgar Square in London.
OLIVIA HARRIS/Reuters
A man laughs during a fight at Washington Square Park, in New York.
ANDREW BURTON/REUTERS
Participants fight in Stockholm.
JONATHAN NACKSTRAND/AFP/GETTY IMAGES
Feathers are piled up outside a cafe at the Brandenburg Gate in Berlin.
THOMAS PETER/Reuters
Municipal workers clean up feathers after the fight at the Brandenburg Gate in Berlin.
