Olympic Moments: Goodbye Rio, Hello Tokyo

Fireworks explode above the Maracana Stadium at the end of the closing ceremony of the Rio 2016 Olympic games on Aug. 21, in Rio de Janeiro.

Carnival dancers perform during the closing ceremony on Day 16 of the Rio 2016 Olympic Games.

Children from Mangueira favela watch fireworks over Maracana.

Carnival dancers perform during the closing ceremony of the Rio 2016 Olympic Games.

Artists perform during the closing ceremony of the Rio 2016 Olympic Games.

Fans cheer as fireworks explode during the closing ceremony of the Rio 2016 Olympic Games.

Athletes enter the Maracana Stadium during the closing ceremony of the Rio 2016 Olympic Games in Rio.

Mariene de Castro performs in front of the Olympic Cauldron during the closing ceremony.

Morghan King and Seth Weil of Team United States celebrate during the closing ceremony.

Athletes of Team United States attend the closing ceremony.

Flag bearer Simone Biles of United States walks during the "Heroes of the Games" segment during the closing ceremony.

People wave flags from Brazil, the United States, and Colombia during the closing ceremony for the Summer Olympics.

Children sing the national anthem of Brazil during the closing ceremony.

Performers wave Tokyo 2020 signs during the closing ceremony.

The message "see you in Tokyo" is displayed on the floor as fireworks go off at Maracana Stadium during the Japanese portion of the closing ceremony. Tokyo will be the host of the 2020 Summer Olympics.

Spectators cheer before the closing ceremony of the Rio 2016 Olympic Games.