Competitor, Cycling Challenge, in Rio de Janeiro, Brazil. 參賽者, 自行車挑戰賽

Competitors take part in the International BMX Cycling Challenge at the Rio 2016 Olympic Games BMX cycling track at the Deodoro Sports Complex in Rio de Janeiro, Brazil, Oct. 4, 2015.
October 5, 2015
http://www.voanews.com/media/photogallery/october-5-2015-day-in-photos/2992281.html
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