Pope Francis waves as he arrives at the Kangemi slums on the outskirts of Kenya's capital Nairobi, November 27, 2015. (Photo by Goran Tomasevic/Reuters)
Luke Personius, 12, waits for a wave as he surfs before school at sunrise in Hermosa Beach, California April 2, 2015. The group of friends surf at sunrise most mornings, then shower outside and walk to school. (Photo by Lucy Nicholson/Reuters)
Children wave Vietnamese and American flags while waiting for arrival of U.S. President Barack Obama (not pictured) before a welcoming ceremony at the Presidential Palace in Hanoi, Vietnam May 23, 2016. (Photo by Reuters/Kham)
A propaganda troupe perform a flag- waving routine outside the central railway station in Pyongyang, North Korea on September 27, 2017. (Photo by Ed Jones/AFP Photo)
Workers hang hundreds of color-dyed sheets of cloth on a bamboo framework to dry in a dyeing factory in Narayanganj, Bangladesh on May 23, 2023. The drying process usually takes 4 hours, with each set of 200 pieces at a time to dry in temperatures over 42 degrees Celsius. Workers use hats for protection from the scorching heat because they have to constantly turn the colorful fabrics so that they dry perfectly in the sunlight. (Photo by Joy Saha/ZUMA Press Wire/Rex Features/Shutterstock)
Dancers take to the dance floor as they show their skills to impress the judges and hope to advance to the next heat during the Blackpool Dance Festival at Blackpool Empress Ballroom on May 26, 2023 in Blackpool, England. The dance festival, which features more than 7,000 dancers from across the world for over two weeks, is hosted annually in the Empress Ballroom at Blackpool's Winter Gardens venue and is back for its 97th year. (Photo by Christopher Furlong/Getty Images)
In this June 16, 2017 photo, Batel Delciner, 23, removes wood from a furnace to lower the heat cooking sugar juice at the Ti Jean distillery, which produces clairin, a sugar-based alcoholic drink, in Leogane, Haiti. The broth is cooked for about four hours after a fermentation period of four to eight days. (Photo by Dieu Nalio Chery/AP Photo)