The waning moon sets behind leafless sumac trees on a crisp, clear morning, Thursday, December 15, 2016, in Portland, Maine. Much of the northern Mid-Atlantic and Northeast will stay cold for the next couple of days as the arctic air remains stuck over the northern Appalachians, the National Weather Service said. (Photo by Robert F. Bukaty/AP Photo)

Gas-masked men of the British Machine Gun Corps with a Vickers machine gun during the first battle of the Somme, 1916. (Photo by General Photographic Agency/Getty Images)

A girl plays in a water-jets fountain in Moscow, Russia, 23 June 2021. The temperature exceeded 36 degrees Celsius in Moscow. The weather in Moscow broke the temperature record high of the day, held since 1948, when meteorologists recorded +33.6. (Photo by Sergei Ilnitsky/EPA/EFE)

Moichara or Bull race is a rural festival where a pair of bulls race each other during the monsoon season. This race is performed by a farmer in Parganas, India on July 4, 2021. (Photo by Sumit Sanyal/SOPA Images/Rex Features/Shutterstock)

A man rides a skateboard at Radical Park in Rio de Janeiro, Brazil, Thursday, June 24, 2021. Hundreds of joggers, dog walkers, skateboarders and picnicking families come each day. (Photo by Bruna Prado/AP Photo)

Taliban fighter, Mostashhed from Wardak province, looks on as he visits Kabul for the first time as hundreds of Taliban fighters take a day off to visit the amusement park at Kabul's Qargha reservoir, at the outskirts of Kabul, Afghanistan on October 8, 2021. (Photo by Jorge Silva/Reuters)

Belarusian ornithologist Vladimir Ivanovski, 72, stands on a tree as he builds an artificial nest for birds of prey from tree branches, in a marsh near the village of Kazyany, Belarus on October 20, 2019. (Photo by Vasily Fedosenko/Reuters)

Japan's Naomi Osaka sits with her towel over her head during a break in her third round loss to Coco Gauff of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Friday, January 24, 2020. (Photo by Lee Jin-man/AP Photo)