RIO DE JANEIRO, BRAZIL - AUGUST 05: Flag bearer Bongil Gu of the Republic of Korea leads his team during the Opening Ceremony of the Rio 2016 Olympic Games at Maracana Stadium on August 5, 2016 in Rio de Janeiro, Brazil. (Photo by Elsa/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 05: Flag bearer Bongil Gu of the Republic of Korea leads his team during the Opening Ceremony of the Rio 2016 Olympic Games at Maracana Stadium on August 5, 2016 in Rio de Janeiro, Brazil. (Photo by Elsa/Getty Images)