In this photo taken Friday, December 9, 2016, young ballerinas practice under the instruction of Kenyan ballet dancer Joel Kioko, 16, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)

Planes for Team Oracle perform over downtown San Francisco during a practice session for San Francisco Fleet Week October 5, 2007 in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

Sebastien Bourdais, of Colombia, makes a corner during practice for the IndyCar auto race Saturday, June 13, 2015, in Toronto. (Nathan Denette/The Canadian Press via AP)

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)

Gorillas sit next to a ruler during a photocall for the annual weigh-in at London Zoo in London, Britain August 24, 2017. During the weigh-in, animals across the zoo have their vital statistics recorded including their height and weight and the information is then shared with zoos across the world to help zookeepers compare important information on thousands of endangered species. (Photo by Neil Hall/Reuters)

Young girls practice acrobatic skills in the Sichuan Provincial Art School July 14, 2008 in Chengdu of Sichuan Province, China. (Photo by China Photos/Getty Images)

Young gymnasts practice pull-up on a bar at a gymnasium of a sports school in Jiaxing, Zhejiang province April 11, 2015. (Photo by William Hong/Reuters)