Two robotic legged squad support system (LS3) machines by the Defense Advanced Research Project Agency follow a technician during a demonstration at Joint Base Myer-Henderson Hall, Virginia, on September 10, 2012. (U.S. Marine Corps photo by Sgt. Mallory S. VanderSchans via The Atlantic)

A child sitting in a washbowl filled with water cools himself as civilians struggle with protecting themselves from the dangers of extreme heat at the refugee camp, in Idlib, Syria on July 13, 2023. The civilians, who fled from the attacks of the Syrian Army, live under harsh conditions without infrastructure and electricity while the temperature reaches 47 Celsius in the region. (Photo by Izzeddin Kasim/Anadolu Agency via Getty Images)

People take a selfie at the abandoned former Soviet R12 nuclear missile launch site in Zeltini, Latvia, July 22, 2016. Hidden in the forests of Aluksne, near Latvia's north-eastern border with Russia, the remains of a former Soviet nuclear missile base are a magnet for tourists now rather than a top-secret site manned by soldiers. (Photo by Ints Kalnins/Reuters)

Kaw-Claa, a Tlingit native woman in full potlatch dancing costume, 1906. (Photo by Case & Draper/Buyenlarge/Getty Images)

A man feeds langur monkeys during a lockdown amid the Covid-19 coronavirus pandemic in Pushkar on April 28, 2021. (Photo by Himanshu Sharma/AFP Photo)

A calico sits in its enclosure and suns itself in Hessen, Germany on May 28, 2021. The Opel Zoo presents a walk-in Madagascar aviary for caltas and varis. The primate species is native to Madagascar and is threatened with extinction. (Photo by Andreas Arnold/dpa)

The Forth Bridge is engulfed by mist on one of the coldest days of the year, on December 12, 2022, in Edinburgh, Scotland. (Photo by Ken Jack/Getty Images)

A child dressed as Hindu God Shiva begs for alms from devotees at the Sangam, the confluence of three rivers – the Ganges, the Yamuna and the mythical Saraswati, on the Makar Sankranti festival during the annual traditional fair of Magh Mela in Prayagraj, in the northern Indian state of Uttar Pradesh, Sunday, January 14, 2024. Hundreds of thousands of Hindu pilgrims are expected to take dips in the confluence, hoping to wash away sins during the month-long festival. (Photo by Rajesh Kumar Singh/AP Photo)