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A volunteer carries the Olympic flag as she leads Independent Olympic athletes during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images)

A volunteer carries the Olympic flag as she leads Independent Olympic athletes during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / OLIVIER MORIN        (Photo credit should read OLIVIER MORIN/AFP/Getty Images)

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South Korea's Gu Bongil carries their country's flag as they lead teammates into the stadium during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / JAVIER SORIANO (Photo credit should read JAVIER SORIANO/AFP/Getty Images)

South Korea's Gu Bongil carries their country's flag as they lead teammates into the stadium during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / JAVIER SORIANO        (Photo credit should read JAVIER SORIANO/AFP/Getty Images)

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Spain's Rafael Nadal carries the flag and leads his delegation during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / Leon NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)

Spain's Rafael Nadal carries the flag and leads his delegation during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / Leon NEAL        (Photo credit should read LEON NEAL/AFP/Getty Images)

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New Zealand's flag bearer Peter Burling leads the delegation during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / Leon NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)

New Zealand's flag bearer Peter Burling leads the delegation during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / Leon NEAL        (Photo credit should read LEON NEAL/AFP/Getty Images)

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Georgia's flagbearer Avtandili Tchrikishvili leads his delegation during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / OLIVIER MORIN (Photo credit should read OLIVIER MORIN/AFP/Getty Images)

Georgia's flagbearer Avtandili Tchrikishvili leads his delegation during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / OLIVIER MORIN        (Photo credit should read OLIVIER MORIN/AFP/Getty Images)