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RIO DE JANEIRO, BRAZIL - AUGUST 15: Se Gwang Ri of North Korea competes in the Men's Vault Final on day 10 of the Rio 2016 Olympic Games at Rio Olympic Arena on August 15, 2016 in Rio de Janeiro, Brazil. (Photo by Alex Livesey/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 15:  Se Gwang Ri of North Korea competes in the Men's Vault Final on day 10 of the Rio 2016 Olympic Games at Rio Olympic Arena on August 15, 2016 in Rio de Janeiro, Brazil.  (Photo by Alex Livesey/Getty Images)

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RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Gold medallist Ri Se-Gwang of North Korea poses at a victory ceremony for the artistic gymnastics men's vault final at the Rio 2016 Summer Olympic Games, at the Rio Olympic Arena. Stanislav Krasilnikov/TASS (Photo by Stanislav Krasilnikov\TASS via Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 15, 2016: Gold medallist Ri Se-Gwang of North Korea poses at a victory ceremony for the artistic gymnastics men's vault final at the Rio 2016 Summer Olympic Games, at the Rio Olympic Arena. Stanislav Krasilnikov/TASS (Photo by Stanislav Krasilnikov\TASS via Getty Images)

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Gold medallist North Korea's Ri Se Gwang poses on the podium of the men's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 15, 2016. / AFP / Thomas COEX (Photo credit should read THOMAS COEX/AFP/Getty Images)

Gold medallist North Korea's Ri Se Gwang poses on the podium of the men's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 15, 2016. / AFP / Thomas COEX        (Photo credit should read THOMAS COEX/AFP/Getty Images)

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(From L) Silver medallist Russia's Denis Abliazin, gold medallist North Korea's Ri Se Gwang and bronze medallist Japan's Kenzo Shirai pose on the podium of the men's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 15, 2016. / AFP / Thomas COEX (Photo credit should read THOMAS COEX/AFP/Getty Images)

(From L) Silver medallist Russia's Denis Abliazin, gold medallist North Korea's Ri Se Gwang and bronze medallist Japan's Kenzo Shirai pose on the podium of the men's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 15, 2016. / AFP / Thomas COEX        (Photo credit should read THOMAS COEX/AFP/Getty Images)