Artists perform during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Chris Carlson) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
People watch Britain's athletes parade into Maracana stadium during the closing ceremony at the Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Jae C. Hong) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Athletes pose with dancers during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Matt Dunham) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Athletes from India march into the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Charlie Riedel) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Simone Biles carries the flag of the United States during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/David Goldman) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Mariene de Castro performs during the closing ceremony for the Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Jae C. Hong) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Tokyo governor Yuriko Koike waves the Olympic flag during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Matt Dunham) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
An artist meets with athletes during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Matt Dunham) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Spectators sit beside the cauldron with the Olympic flame prior to the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Natacha Pisarenko) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Plumed figures appear as part of the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Mark Humphrey) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Athletes from the Netherlands parade during the closing ceremony for the Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Jae C. Hong) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Samba dancers perform during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/David Goldman) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Athletes pose for picture with performers during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Matt Dunham) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Fireworks explode above the Maracana stadium during the closing ceremony for the Summer Olympics, seen from the Mangueira slum in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Felipe Dana) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Dancers and fireworks are reflected in a puddle during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/David Goldman) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Japanese Prime Minister Shinzo Abe appears as the Nintendo game character Super Mario during the closing ceremony at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. Abe's brief but show-stopping appearance as Super Mario offered a tantalizing glimpse at Tokyo's plans for the 2020 games. (Yu Nakajima/Kyodo News via AP) (Kyodo News)
Lenine performs during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Matt Dunham) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Artists perform during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/Chris Carlson) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Jackie Briggs from the United States wears the Olympic ring sunglasses during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP Photo/David Goldman) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)
Fireworks explode over Maracana stadium during the closing ceremony of the 2016 Summer Olympic Games in Rio de Janeiro, Brazil, Sunday Aug. 21, 2016. (AP Photo/Leo Correa) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)