Participants jump into the water during the 114th edition of the Copa Nadal (Christmas Cup) swimming race in Barcelona's Port Vell on December 25, 2023. The traditional 200-meter Christmas swimming race gathered around 300 participants on Barcelona's Port Vell (old harbour). (Photo by Josep Lago/AFP Photo)

Guide dog Pinky is pet by her trainer during her graduation ceremony in Xochimilco on the outskirts of Mexico City, Mexico on December 2, 2023. (Photo by Raquel Cunha/Reuters)

Models walk during the finale for the Black Tape Project fashion show at New York Fashion Week Fall 2024 powered by Art Hearts Fashion at The Angel Orensanz Foundation on February 11, 2024 in New York City. (Photo by Arun Nevader/Getty Images for Art Hearts Fashion)

A member of the Brotherhood of the Diablos Danzantes de Chuao (Dancing Devils of Chuao) arranges his mask during the Corpus Christi festival in the town of Chuao, Aragua state, Venezuela on June 18, 2025. (Photo by Maxwell Briceno/Reuters)

Jasmine Paolini hits a forehand during her first-round US Open match on Sunday, August 24, 2025 at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. (Photo by Ray Giubilo)

A Chinkara gazelle fawn rests in the plumage of a peacock at an animal rescue center on a hot summer day in Bikaner, Rajasthan, India, Thursday, May 23, 2024. (Photo by Dinesh Gupta/AP Photo)

Domestic tourists visit the beach at Wonsan Kalma Coastal Tourist Area in Wonsan, North Korea's Kangwon Province on July 1, 2025. North Korea opened a massive resort area on its east coast, state media said on July 2, with the tourism pet project of leader Kim Jong Un reportedly set to welcome Russian guests later this month. (Photo by Kim Won Jin/AFP Photo)

The Rio de Janeiro Olympics kick off on August 5 for some two weeks of competitive games drawing athletes as well as audiences from around the world. As they prepare to cover the event, Reuters photographers look back on their favourite pictures from past Olympics where they captured the action on the ground as well as the participants' tears and joy that followed. (Photo by Lucy Nicholson/Reuters)