A runner participates in the annual Color Run in Centennial Park in Sydney on August 21, 2016.
The Color Run is a 5km fun run started in the US in 2012 and is inspired by the traditional Hindu festival Holi, where people throw natural coloured powders as the seasons change from winter to spring. (Photo by Peter Parks/AFP Photo)





Participants run through coloured powder as they celebrate in The Color Run Night in Brussels, Belgium, August 20, 2016. (Photo by Eric Vidal/Reuters)





Multi-coloured dyes are thrown in the air by participants during the annual Sydney Color Run in Australia's largest city, August 21, 2016. (Photo by Jason Reed/Reuters)





A participant runs through coloured powder as they celebrate in The Color Run Night in Brussels, Belgium, August 20, 2016. (Photo by Eric Vidal/Reuters)





A participant runs through coloured powder as they celebrate in The Color Run Night in Brussels, Belgium, August 20, 2016. (Photo by Eric Vidal/Reuters)





Participants are covered in colored powder as they celebrate in The Color Run Night in Brussels, Belgium, August 20, 2016. (Photo by Eric Vidal/Reuters)





Multi-coloured dyes are thrown in the air by participants during the annual Sydney Color Run in Australia's largest city, August 21, 2016. (Photo by Jason Reed/Reuters)





Participants hold smoke flares as they slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)





Participants slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)





Participants hold smoke flares as they slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)





Participants slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)





Participants slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)





A participant slides down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)





Participants slide down along a chute to cross a pool of water and foam during the “Letniy Gornoluzhnik” (Summer mountain puddle rider) festival at the Bobroviy Log Fun Park near the Siberian city of Krasnoyarsk, Russia, August 21, 2016. (Photo by Ilya Naymushin/Reuters)