A coach wipes away tears and comforts a girl who was feeling tired during gymnastics lessons at the Shanghai Yangpu Youth Amateur Athletic School in Shanghai, China, May 4, 2016. (Photo by Aly Song/Reuters)

A female goalkeeper saves the ball at the Mathare Environmental Conservation Youth Center during a soccer match to celebrate the International Women's day in Nairobi, Kenya, March 8, 2017. (Photo by Thomas Mukoya/Reuters)

A youth rolls a hoop in the National Theater where families displaced by gang violence are taking shelter in Port-au-Prince, Haiti, May 9, 2024. (Photo by Ramon Espinosa/AP Photo)

A woman uses her smartphone walking past a mural depicting members of Russia's Yunarmiya (Young Army) youth patriotic movement in Moscow on May 14, 2024. (Photo by Natalia Kolesnikova/AFP Photo)

Dutch artist Maxim Gazendam works on his sand sculpture during the third edition of the European Championship Sand Sculpting 2014 in Zandvoort aan Zee, The Netherlands, 08 August 2014. Eight sculptors from different European countries will each create an impressive sculpture on the main theme “Music and Dance”. (Photo by Remko De Waal/EPA)

Elise de Jong of Team Netherlands competes in the Women's Pole Vault during day two of the European Athletics U20 Championships 2025 on August 08, 2025 in Tampere, Finland. (Photo by Maja Hitij/Getty Images for European Athletics)

Egyptian bootblacks cleaning a European's shoes in Cairo. (Photo by Hulton Archive/Getty Images). Circa 1870

These are the dunes of the Namib Desert, taken by Korea's Kompstat-2 satellite. The blue and white area is the dried riverbed of the Tsauchab river. (Photo by The European Space Agency)