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RIO DE JANEIRO, BRAZIL - AUGUST 21:  Mayor of Rio de Janeiro Eduardo Paes (L) waves the IOC flag prior to hand to IOC President Thomas Bach (R) on stage at the Flag Handover Ceremony during the Closing Ceremony on Day 16 of the Rio 2016 Olympic Games at Maracana Stadium on August 21, 2016 in Rio de Janeiro, Brazil.  (Photo by Pascal Le Segretain/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 21:  Mayor of Rio de Janeiro Eduardo Paes (L) waves the IOC flag prior to hand to IOC President Thomas Bach (R) on stage at the Flag Handover Ceremony during the Closing Ceremony on Day 16 of the Rio 2016 Olympic Games at Maracana Stadium on August 21, 2016 in Rio de Janeiro, Brazil.  (Photo by Pascal Le Segretain/Getty Images)

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CNN's Don Riddell looks back on the greatest moments at the 2016 Olympic Games in Rio.

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CNN's Don Riddell looks back on the greatest moments at the 2016 Olympic Games in Rio.