Members of the Vietnamese Olympic delegation pose for a selfie in front of a backdrop in athletes village in advance of the 2016 Olympic Games in Rio de Janeiro, Brazil, Monday, Aug. 1, 2016. (AP Photo/Patrick Semansky)
Members of the Vietnamese Olympic delegation pose for a selfie in front of a backdrop in athletes village in advance of the 2016 Olympic Games in Rio de Janeiro, Brazil, Monday, Aug. 1, 2016. (AP Photo/Patrick Semansky)
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