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)

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)

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)

Russia's Maria Sharapova carries the torch during the opening ceremony of the 2014 Winter Olympics in Sochi, Russia, Friday, February 7, 2014. (Photo by Matt Dunham/Associated Press)

A follower of the Afro-Brazilian religion Umbanda pays tribute for Iemanja, goddess of the sea, in Copacabana Beach in Rio de Janeiro, Brazil December 29, 2017. Hundreds of practitioners of Brazil's Afro-Brazilian Candomble and Umbanda faiths have gathered at Rio de Janeiro's Copacabana beach to honor Yemanja. Worshippers were mostly dressed in white as they launched their offerings to Iemanja: small boats with flowers and bowls with candles and fruits. (Photo by Ricardo Moraes/Reuters)

A biker shows his 12-year-old cat “Chiquinho” – which always rides with him on his motorbike – in Rio de Janeiro, Brazil, on June 19, 2016. (Photo by Yasuyoshi Chiba/AFP Photo)

A reveller takes part in an annual block party known as “Cordao de Prata Preta”, one of the many carnival parties to take place in the neighbourhoods of Rio de Janeiro, February 6, 2016. (Photo by Pilar Olivares/Reuters)