Tsetse, six-year-old daughter of Dukha herder Erdenebat Chuluu, sits among her family's reindeer in a forest near the village of Tsagaannuur, Khovsgol aimag, Mongolia, April 21, 2018. Nyamaa is an ethnic Darkhad, herders of northern Mongolia who have historically inhabited the steppe that borders the Taiga forests. (Photo by Thomas Peter/Reuters)

A solders in ceremonial attire sweats as he waits outside Suddhaisavarya Prasad Hall, in which Thailand's King Maha Vajiralongkorn scheduled to grant a public audience in Bangkok, Thailand, Monday, May 6, 2019. King Maha Vajiralongkorn was officially crowned amid the splendour of the country's Grand Palace, taking the central role in an elaborate centuries-old royal ceremony that was last held almost seven decades ago. (Photo by Gemunu Amarasinghe/AP Photo)

People look at a Christmas tree decorated with colourful lights at a residential compound in Beijing on December 8, 2017. (Photo by Nicolas Asfouri/AFP Photo)

Two brave contestants take part in the World Gravy Wrestling Championships at the Rose 'n Bowl in Stacksteads, Lancashire, England on August 27 2018. Contestants must wrestle in the gravy for 2 minutes, points are scored for fancy dress, comedy effect, entertainment and wrestling ability. The event is held to raise funds for the East Lancashire Hospice and competitors nominated charities. (Photo by The Mercury Press)

A climate activist wears an oxygen mask to demonstrate the possibility of pumping oxygen from a tree in a bottle in the future, during a protest against the government's deforestation practices of Sri Lanka's main wildlife forests for developments in Colombo, Sri Lanka on March 22, 2021. (Photo by Dinuka Liyanawatte/Reuters)

Participant Elena Tsagrinou of Cyprus performs during first semi-final of the 2021 Eurovision Song Contest in Rotterdam, Netherlands on May 18, 2021. (Photo by Piroschka Van de Wouw/Reuters)

Greece's Maria Sakkari reacts during her women's singles quarter-final tennis match against Poland's Iga Swiatekon Day 11 of The Roland Garros 2021 French Open tennis tournament in Paris on June 9, 2021. (Photo by Gonzalo Fuentes/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)