see more

LONDON, UNITED KINGDOM - APRIL 04: Revellers take part in a giant pillow fight in Trafalgar Square on 'International Pillow Fight Day' on April 4, 2015 in London, England. Mass public pillow fights have been arranged in numerous cities around the world by the 'Urban Playground Movement'. (Photo by Tolga Akmen/Anadolu Agency/Getty Images)

LONDON, UNITED KINGDOM - APRIL 04: Revellers take part in a giant pillow fight in Trafalgar Square on 'International Pillow Fight Day' on April 4, 2015 in London, England. Mass public pillow fights have been arranged in numerous cities around the world by the 'Urban Playground Movement'. (Photo by Tolga Akmen/Anadolu Agency/Getty Images)