Rio Olympics
Performers take part in the closing ceremony. (Reuters)

Rio Olympics
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)

Rio Olympics
Spectators watch the closing ceremony. (Reuters)

Rio Olympics
Olympic athletes enter onto the stage during the closing ceremony. (Reuters)

Rio Olympics
Athletes cover themselves with ponchos during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)

Rio Olympics
Performers take part in the closing ceremony. (Reuters)

Rio Olympics
Maracana stadium during the closing ceremony in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)

Rio Olympics
Athletes from Canada march in during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)

Rio Olympics
Olympic athletes enter onto the stage during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)

Rio Olympics
Performers dance on stage as the flags of many countries hang above them. (Reuters)

Rio Olympics
Performers dance on stage as the flags of many countries hang above them. (Reuters)

Rio Olympics
New International Olympic Committee members German epee fencer Britta Heidemann (L) former Russian pole vaulter Yelena Isinbayeva (R), Hungarian swimmer Daniel Gyurta (2nd R) and South Korean table tennis player Ryu Seung-mi (3rd L) pose for a selfie during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
People wave flags from Brazil, the United States, and Colombia during the closing ceremony for the Summer Olympics inside Maracana stadium in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)

Rio Olympics
Brazilian singer-songwriter Lenine performs during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
International Olympic Committee (IOC) President Thomas Bach (L) gives the Olympic flag to Tokyo's governor Yuriko Koike during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
Tokyo's governor Yuriko Koike waves the Olympic flag during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
Fireworks explode during the closing ceremony. (Reuters)

Rio Olympics
Athletes from Japan hold Brazilian and Japanese flags as they march in during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)

Rio Olympics
The Olympic flag is carried to the stage during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
This picture shows an overview of the presentation of Tokyo 2020 during the closing ceremony of the Rio 2016 Olympic Games under the rain at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
Performers take part in the closing ceremony. (Reuters)

Rio Olympics
This picture shows an overview of the presentation of Tokyo 2020 during the closing ceremony of the Rio 2016 Olympic Games under the rain at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
Dancers perform during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
Dancers perform during the closing ceremony of the Rio 2016 Olympic Games at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
This picture shows an overview of the closing ceremony of the Rio 2016 Olympic Games under the rain at the Maracana stadium in Rio de Janeiro on August 21, 2016. (AFP)

Rio Olympics
The Olympic flame is extinguished during the closing ceremony in the Maracana stadium at the 2016 Summer Olympics in Rio de Janeiro, Brazil, Sunday, Aug. 21, 2016. (AP)