A man performs a split as he practices Kung Fu at Beihai Park in Beijing, China August 20, 2017. (Photo by Reuters/China Stringer Network)

A pregnant woman poses on June 19, 2018 in Vertou, western France. France had an estimated population of 68.4 million by January 1, 2024, representing a further year-on-year increase of 0.3 percent, limited by a marked drop in the birth rate, the INSEE national statistics bureau of France reported on January 16, 2024. In 2023, 678,000 babies were born in France, 6.6 percent fewer than the previous year, the lowest number of births in any year since 1946. Over the same period, there were 631,000 deaths, down 6.5 percent on 2022, a year marked by the consequences of the Covid-19 pandemic and episodes of extreme heat. (Photo by Loic Venance/AFP Photo)

France's Simon Billy gets ready to practice speed skiing on the Chabriere ski slope in Vars, on March 29, 2017. (Photo by Jean-Pierre Clatot/AFP Photo)

People practice yoga on a cliff at an attitude of over 2,000 meters at Laojunshan mountain to welcome upcoming International Yoga Day on June 20, 2020 in Luoyang, Henan Province of China. (Photo by VCG/VCG via Getty Images)

Ant Burgess practices his freestyle on a jet ski at Blyth beach in Northumberland, on the North East coast on Saturday, April 10, 2021. (Photo by Owen Humphreys/PA Images via Getty Images)

Britain's Emma Raducanu attends a practice session ahead of the Australian Open tennis tournament in Melbourne on January 13, 2022. (Photo by Mike Frey/AFP Photo)

Dancers at the Windmill Theatre in London, England practice a routine wearing gas masks and hard-hats with their costumes, 1940. (Photo by Hulton Archive/Getty Images)

Young contortionists practice at a training school in Ulaanbaatar, Mongolia, July 4, 2016. (Photo by Natalie Thomas/Reuters)