Photos of the day - August 21, 2016

Children participate during The Color Run, known as ‘Happiest 5k on the Planet’ in Sydney; A close up photo of a rainbow flower during the fifth Viet Pride parade at a street in Hanoi, Vietnam; and a man rides a flyboard over an artificial small lake at Sion, Switzerland are some of the photos of the day. (AP/EPA/Getty/Reuters) See more news-related photo galleries and follow us on Yahoo News Photo Tumblr.