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Flagbearer and Ice Sledge Hockey player Steve Cash of the United States enters the stadium during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Dennis Grombkowski/Getty Images) ( 479119443 )

Fireworks explode after the Closing Ceremony of the 2014 Paralympic Winter Games on March 16, 2014 in Sochi, Russia. (Photo by Justin Setterfield/Getty Images) ( 479131933 )

South Korea dancers perform during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Hannah Peters/Getty Images) ( 479140731 )

The United States' delegation attends the Closing Ceremony of XI Paralympic Olympic games at the Fisht Olympic Stadium near the city of Sochi on March 16, 2014. KIRILL KUDRYAVTSEV/AFP/Getty Images ( 528125913 )

Performers hold glow sticks during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Dennis Grombkowski/Getty Images) ( 479141729 )

Dancers perform during the Closing ceremony of the XXI Winter Sochi 2014 Paralympic Gamesi, Russia. EPA/SERGEI CHIRIKOV ( RUSSIA SOCHI 2014 PARALYMPIC GAMES )

Russia team members enter the stadium prior to the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Hannah Peters/Getty Images) ( 479141383 )

A huge icebreaker ship makes its way during the closing ceremony of the 2014 Winter Paralympics at the Fisht Olympic stadium in Sochi, Russia, Sunday, March 16, 2014. (AP Photo/Dmitry Lovetsky) ( Sochi Paralympics Closing Ceremony )

Cossack dancers perform during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Dennis Grombkowski/Getty Images) ( 479131787 )

An actor performs during the closing ceremony of the 2014 Winter Paralympics at the Fisht Olympic stadium in Sochi, Russia, Sunday March 16, 2014. (AP Photo/Dmitry Lovetsky) ( Sochi Paralympics Closing Ceremony )

Russia President Vladimir Putin (R) shakes hands with International Paralympic Committee (IPC) President Sir Philip Craven during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Hannah Peters/Getty Images) ( 479141285 )

Aerial performers in action during the Closing Ceremony of the 2014 Paralympic Winter Games at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Harry Engels/Getty Images) ( 479130603 )

Cossack dancers perform during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Dennis Grombkowski/Getty Images) ( 479141659 )

Aleksey Chuvashev, a rowing Paralympian, climbs a rope using just his hands to set off fireworks during the Closing Ceremony of the 2014 Paralympic Winter Games at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Harry Engels/Getty Images) ( 479130957 )

Cossack dancers perform during the finale of the Closing Ceremony of the 2014 Paralympic Winter Games at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Harry Engels/Getty Images) ( 479131705 )

Dancers perform during the Closing Ceremony of the 2014 Paralympic Winter Games at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Harry Engels/Getty Images) ( 479131805 )

An acrobat balances on a ball as Cossack dancers perform during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Hannah Peters/Getty Images) ( 479140723 )

South Korea dancers perform during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Dennis Grombkowski/Getty Images) ( 479141701 )

Snowboarder Ben Tudhope of Australia carries the flag of Australia during the closing ceremony of the 2014 Winter Paralympics at the Fisht Olympic stadium in Sochi, Russia, Sunday, March 16, 2014. (AP Photo/Dmitry Lovetsky) ( Sochi Paralympics Closing Ceremony )

The Russia and South Korea flags fly as a performer sings during the Sochi 2014 Paralympic Winter Games Closing Ceremony at Fisht Olympic Stadium on March 16, 2014 in Sochi, Russia. (Photo by Dennis Grombkowski/Getty Images) ( 479132185 )

Aerialist acrobats perform during the Closing Ceremony of the XI Paralympic Olympic games at the Fisht Olympic Stadium near the city of Sochi on March 16, 2014. KIRILL KUDRYAVTSEV/AFP/Getty Images ( 528126014 )