A student from “the cliff village” in Atule'er climbs newly-constructed steel ladders after school to go home for holidays, in Liangshan Sichuan province, China, November 19, 2016. The steel ladders which replaced the unsafe vine ladders shortened the time taken for the children to go home, from three hours to two. (Photo by Reuters/Stringer)

Soldier boys at Fort Dix, N.J., learn something about guns during their working hours, as they show their girlfriends at a camp dance, December 13, 1940. In front row, playing with the coin amusement gun, from left: Pvt. Tom D'Amato of West Orange; Rose Sinkewicz, behind gun site, of Trenton; Julia Ivans of Trenton, and Pvt. Vernon Landers of Kearney. Back row: Pvts. William Sargent and William Corlies of Philadelphia. (Photo by AP Photo)

Participants of an unauthorized opposition rally gather in Tverskaya street in central Moscow on June 12, 2017. Authorities detained Russian opposition politician Alexei Navalny and hundreds of his supporters on Monday, as they mounted demonstrations across the nation against government corruption. Over 200 were detained in Moscow and Saint Petersburg an hour into the protest, according to an NGO that tracks arrests, with Navalny himself picked up by police in his building as he was headed to the event. (Photo by Vasily Maximov/AFP Photo)

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)

A waitress of The Palais de Tokyo restaurant wears a protective face mask as a precaution against the coronavirus in Paris, Saturday, September 5, 2020. New French cases of COVID-19 jumped in 24 hours to nearly 9,000, health officials said Friday. The 8,975 new cases were the highest number of infections since France successfully grappled with the spread of the coronavirus during a strict two-month lockdown. There were some 1,800 cases less a day earlier and more than for European neighbors. (Photo by Francois Mori/AP Photo)

A picture taken on August 25, 2021 shows a view of the Aletsch Glacier. After hiking for hours across the mountain and a vast expanse of white, Swiss glaciologist Matthias Huss crouches down near the middle of the massive glacier and checks the measurements. Analysis of the data gathered from Aletsch, the largest glacier in the Alps, paints a dire picture of the toll that climate change is taking on the behemoth. (Photo by Fabrice Coffrini/AFP Photo)

Julia Gracheva and Anna Speak takes photos as they attend the 10th edition of “Diner en Blanc” at Brookfield Place in Lower Manhattan September 19, 2022. The legendary all-white secret pop-up, the location of which is revealed hours before the event, draws over 5,500 guests who dress in head-to-toe white attire for an under the stars dining experience. (Photo by Timothy A. Clary/AFP Photo)

A man takes care of the cats at the Arnamir cat hotel in Jakarta, Indonesia on April 14, 2023. Animal care services can be an option during the holidays when pets are left behind, so that pets are not neglected while their owners are away. The hotel implements free-to-play concept, so that the cats are entrusted and has a comfortable room to stay. The rooms are monitored by a 24-hour surveillance camera. (Photo by Dasril Roszandi/Anadolu Agency via Getty Images)