Production begins on the London 2012 victory medals at the Royal Mint on October 27, 2011 in Pontyclun, Wales. A total of 4700 medals will be made, split between the Olympics and Paralympics. Each medal, 85mm in diameter are the heaviest summer Olympic medals made and production will be completed by Spring 2012. (Photo by Michael Steele/Getty Images)

South Korean youths dance to electronic music during the Ultra Music Festival Korea at Olympic Stadium on June 10, 2016 in Seoul, South Korea. (Photo by Jean Chung/Getty Images)

A diving competitor during a practice session at Tokyo Aquatics Centre ahead of the Tokyo 2020 Olympic Games in Japan on Wednesday, July 21, 2021. (Photo by Stefan Wermuth/Reuters)

Yndiara Asp of Brazil takes part in a women's Park Skateboarding training session at the 2020 Summer Olympics, Saturday, July 31, 2021, in Tokyo, Japan. (Photo by Ben Curtis/AP Photo)

Hannah Prock, of Austria, prepares to start the luge women's singles run 1 at the 2022 Winter Olympics, Monday, February 7, 2022, in the Yanqing district of Beijing. (Photo by Thomas Peter/Reuters)

Children attend a swim training session at Hangzhou Chen Jinglun Sport school Natatorium, where Chinese Olympic swimmer Sun Yang and Fu Yuanhui also trained, in Hangzhou, Zhejiang province, China, August 10, 2016. (Photo by Aly Song/Reuters)

Yuna Hiraiwa of Team Japan falls from the uneven bars during Women's Podium Training ahead of the Tokyo 2020 Olympic Games at Ariake Gymnastics Centre on July 22, 2021 in Tokyo, Japan. (Photo by Athit Perawongmetha/Reuters)

Moldova's Victor Ciobanu in action with Georgia's Dato Chkhartishvili during the men's 60kg semi final at the World Wrestling Olympic Games Qualifier in Sofia, Bulgaria on May 8, 2021. (Photo by Stoyan Nenov/Reuters)