Visitors and a dog stand on the new “Skywalk” viewing platform on the Sonnenstein mountain in the Eichsfeld region near Bad Lauterberg im Harz, central Germany, on May 22, 2017. (Photo by Martin Schutt/AFP Photo/DPA)

A Ukrainian serviceman fires a 2S7 Pion self-propelled gun during military exercises near the village of Divychky in Kiev region, Ukraine, October 21, 2016. (Photo by Valentyn Ogirenko/Reuters)

A pro-independence protester sits in front of Catalonia's regional parliament as lawmakers vote inside, in Barcelona, January 16, 2014. (Photo by Albert Gea/Reuters)

Aeroflot employees with a puppy at the canine service of Aeroflot at Sheremetyevo International Airport in Moscow Region, Russia on October 2, 2020, that has started to train service dogs to detect COVID-19 in people. (Photo by Vladimir Gerdo/TASS)

A woman poses for a picture near an ice hole as a man takes a dip during celebrations of the Orthodox Christian feast of Epiphany in the settlement of Ivanovskoye in the Moscow region, Russia on January 19, 2022. (Photo by Maxim Shemetov/Reuters)

A Ukrainian servicewoman walks at a position, as Russia's attack on Ukraine continues, in Luhansk Region, Ukraine on April 26, 2022. (Photo by Serhii Nuzhnenko/Reuters)

A rainbow over the windmill in Lytham, Lancashire on May 17, 2022 at sunset after rain hit the region last night after the hottest day of the year. (Photo by Gregg Wolstenholme/Bav Media)

A caiman in the Pantanal region of Brazil in 2021. They are used to seeing humans, allowing the photographer, Leighton Lum, a close-up shot. (Photo by Leighton Lum/Caters News Agency)