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Former Brazilian athlete Vanderlei Cordeiro de Lima lights the Olympic cauldron with the Olympic torch during the opening ceremony of the Rio 2016 Olympic Games at Maracana Stadium in Rio de Janeiro on August 5, 2016. / AFP / Emmanuel DUNAND (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)

Former Brazilian athlete Vanderlei Cordeiro de Lima lights the Olympic cauldron with the Olympic torch during the opening ceremony of the Rio 2016 Olympic Games at Maracana Stadium in Rio de Janeiro on August 5, 2016. / AFP / Emmanuel DUNAND        (Photo credit should read EMMANUEL DUNAND/AFP/Getty Images)

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TOPSHOT - Brazilian tennis player Gustavo Kuerten carries the Olympic flame during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

TOPSHOT - Brazilian tennis player Gustavo Kuerten carries the Olympic flame during the opening ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 5, 2016. / AFP / GABRIEL BOUYS        (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)

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Former Brazilian tennis player Gustavo Kuerten carries the Olympic torch 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)

Former Brazilian tennis player Gustavo Kuerten carries the Olympic torch 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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Former Brazilian tennis player Gustavo Kuerten carries the Olympic torch 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)

Former Brazilian tennis player Gustavo Kuerten carries the Olympic torch 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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TOPSHOT - Former Brazilian tennis player Gustavo Kuerten carries the Olympic torch 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)

TOPSHOT - Former Brazilian tennis player Gustavo Kuerten carries the Olympic torch 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)