A dog groomer prepares a model dog during the 2nd Annual Shenzhen International Pet Exhibition, July 14, 2016, in Shenzhen, China. The pet exhibition runs from July 14 - 17, 2016 at the Shenzhen Convention & Exhibition Center. (Photo by VCG/Getty Images)

A model presents a creation from the Fyodor Golan catwalk show at London Fashion Week Autumn/Winter 16 in London, Britain February 19, 2016. (Photo by Neil Hall/Reuters)

Local residents crowd a swimming pool during a hot weather in Suining, Sichuan province, 27 July 2008. (Photo by Reuters/Stringer)

In this September 17, 2010 file photo a little brown bat is photographed in La Crosse Wis. Researchers for the first time found that little brown bats appear to be showing resistance to white-nose syndrome, which has killed millions of bats across North America. (Photo by Peter Thomson/La Crosse Tribune via AP Photo)

This handout photograph taken and released by Limex Images for Red Bull on February 6, 2019 shows France's Nicolas Ivanoff flying over the skyline prior to the first stage of the Red Bull Air Race World Championship in Abu Dhabi, United Arab Emirates. (Photo by Predrag Vuckovic/AFP Photo)

Dani Alves of Paris Saint-Germain and Spanish model Joana Sanz are pictured inside the photo booth prior to The Best FIFA Football Awards at Royal Festival Hall on September 24, 2018 in London, England. (Photo by Michael Regan – FIFA/FIFA via Getty Images)

A participant at London Pride 2022 parade takes a mocking selfie next to Christian extremists protesting the parade in Piccadilly on July 2, 2022. (Photo by Vuk Valcic/ZUMA Press Wire/Rex Features/Shutterstock)

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)