An armed man herds his cattle close to the village of Nimini in northern South Sudan, February 8, 2017. In the chaos of South Sudan's civil war, it took three years for Nyagonga Machul to find her lost children. Machul had traveled from her village to the capital when President Salva Kiir, an ethnic Dinka, fired his deputy Riek Machar, a Nuer, in 2013. (Photo by Siegfried Modola/Reuters)

The International Space Station (ISS) moves along its orbit above at the Russian leased Baikonur cosmodrome, Kazakhstan, Thursday, July 18, 2019, with a statue of Soviet Union founder Vladimir Lenin in the foreground. Circular star tracks around the Polar Star and tracks of the ISS is the result of the camera multiple exposure with a total duration of two hours. (Photo by Dmitri Lovetsky/AP Photo)

Aerial view of the Christ The Protector Statue and the Valle de Taquari on April 20, 2021 in Encantado, Brazil. The statue being built in Encantado, southern Brazil, will surpass the iconic Christ The Redeemer of Rio de Janeiro by seven meters. Made of steel and concrete, it will stand 43 meters including its pedestal, and become the third-tallest statue of Jesus Christ in the world. (Photo by Buda Mendes/Getty Images)

This November 8, 2019, photo provided by John Guillote shows a view from the main lab of the Sikuliaq in the Chukchi Sea. University of Washington scientists onboard the research vessel are studying the changes and how less sea ice will affect coastlines, which already are vulnerable to erosion because increased waves delivered by storms. More erosion would increase the chance of winter flooding in villages and danger to hunters in small boats. (Photo by John Guillote via AP Photo)

A boy takes a picture of a car crash in Shenzhen, Guangdong province, August 4, 2014. Two passengers were sent to hospital but no death was reported as a result of the accident, according to local media. (Photo by Reuters/Stringer)

Dog puppy “Sandy” protects against the rain with an umbrella fixed on her leash during a stroll in Rust, southern Germany, on May 26, 2013. (Photo by Patrick Seeger/AFP Photo)

An effigy representing Judas Iscariot burns as some people wearing masks watch during Holy Week in the Catia neighborhood of Caracas, Venezuela, Sunday, April 4, 2021. The Burning of Judas is an Easter-time ritual in many communities, where an effigy of Judas Iscariot is hanged on Good Friday, then burned on Easter Sunday. (Photo by Matias Delacroix/AP Photo)

Mohammad Ramzan, 60, a traditional goatskin water carrier also known as a mashki, fills a bag with water from a handpump to deliver to nearby homes during the fasting month of Ramadan, as the outbreak of the coronavirus disease (COVID-19) continues, in Karachi, Pakistan on April 23, 2021. (Photo by Akhtar Soomro/Reuters)