Pillow Fight, 枕頭大戰

People participate in a pillow fight to mark International Pillow Fight Day in the Heroes' Square, in central Budapest, Hungary, April 2, 2016. (Zoltan Balogh/MTI via AP)

People participate in a pillow fight to mark International Pillow Fight Day in the Heroes' Square, in central Budapest, Hungary, April 2, 2016. (Zoltan Balogh/MTI via AP)
World Pillow Fight Day
https://www.yahoo.com/news/photos/world-pillow-fight-day-1459627944-slideshow/