Performers operate a giant puppet during the opening ceremony of the Rio 2016 Paralympic Games at Maracana Stadium in Rio on September 7, 2016. #

Aaron Wheelz rides off a ramp at the beginning of the Opening Ceremony of the Rio 2016 Paralympic Games. #

Children with their fathers carry the Paralympic flag during the Opening Ceremony on September 7, 2016. #

Dancer Amy Purdy performs with robot KUKA during the Opening Ceremony on September 7, 2016. #

Members of the United States delegation enter the arena during the Opening Ceremony. #

Brazilian swimmer. Clodoaldo Silva lights the cauldron during the Opening Ceremony of the Rio 2016 Paralympic Games. #

Athletes compete in the men's 100-meter T44 athletic event in Rio de Janeiro on September 8, 2016. #

Brian Bell of the US topples over during the USA vs Iran match in the Men's Wheelchair Basketball Group B Preliminary on September 10, 2016. #

Zheng Tao of China warms up before the men's 100-meter backstroke S6 swimming event at the Paralympic Games in Rio, on, September 8, 2016. #

Juan Jose Fernandez Mendez of Spain rides in the Men's C1-2-3 1000m Time Trial Final at the Olympic Velodrome on September 10, 2016. #

Lauritta Onye of Nigeria celebrates after breaking the world record in the Women's Shotput Final on day 4 of the Rio 2016 Paralympic Games. #

Richard Whitehead of Great Britain wins the men's 200 meter T42 final at Olympic Stadium on September 11, 2016, in Rio de Janeiro. #

USA's Lex Gillette competes in the final of the Men's long jump (T11) event during the Rio 2016 Paralympic Games. #

Brent Lakatos of Canada celebrates after winning the men's 100m - T53 final on day 2 of the Rio 2016 Paralympic Games on September 9, 2016. #

New Zealand's Sophie Pascoe NZL competes in Women's 200m Individual Medley SM10 at the Olympic Aquatics Stadium on September 10, 2016. #

Team USA athletes listen to their national anthem at the Men's Wheelchair Basketball Group B Preliminary match, USA vs Germany, on September 9, 2016. #

Ibrahim Hamadtou of Egypt competes in the men's singles Table Tennis - Class 6 on day 2 of the Rio 2016 Paralympic Games. #

USA's Grace Norman runs in the women's triathlon (PT4) of the Rio 2016 Paralympic Games at Copacabana Beach on September 11, 2016. #

Keunjin Choi of South Korea competes in the Men's Final Powerlifting 49kg event at Riocentro Pavilion 2 on September 8, 2016. #

Liu Meng of China stretches during Men's 5-a-side Football Preliminaries Pool B, China v Mexico, on September 11, 2016. #

Morocco's players search for the ball as Brazil takes a penalty kick during their Men's football 5-a-side match, on September 9, 2016. #

Gold medalist Eduardo Adrian Avila Sanchez of Mexico kisses his medal at the Men's Judo 81 kg Victory Ceremony in Rio's Carioca Arena on September 9, 2016. #

Tatyana McFadden of the United States wins the women's 400 meter T54 final at Olympic Stadium during day 4 of the Rio 2016 Paralympic Games. #

Rwandan sitting volleyball players align for their national anthem before their match against China during the Paralympic Games. #

Players of the United States and Brazil in action at the Men's Sitting Volleyball Preliminaries Pool A, on September 9, 2016 #

USA's Rudy Garcia-Tolson competes in Heat 1 of the Men's 100m Butterfly - S8 during the Rio 2016 Paralympic Games. #

David Brown of United States celebrates his victory after the Men's 100m - T11 Final during day 4 of the Rio 2016 Paralympic Games. #

Spain's Jose Luis Giera follows a ball during their men's football 5-a-side preliminary match against China at Olympic Park in Rio de Janeiro on September 9, 2016. #

Vanessa Low of Germany competes in the women's long jump - T42 final on day 3 of the Rio 2016 Paralympic Games. #