Calves look out as they are transported in a cart in the village of Litkovka, in Omsk region, Russia on March 20, 2021. (Photo by Alexey Malgavko/Reuters)

Visitors wear traditional hanbok dress as they walk on the grounds of the Gyeongbokgung Palace after a snowfall in Seoul on January 17, 2022. (Photo by Anthony Wallace/AFP Photo)

Polar frame, by Dmitry Kokh, Russia. When Kokh’s boat approached the small island of Kolyuchin in the Russian High Arctic, which had been abandoned by humans since 1992, he was surprised to spot movement in one of the houses. Binoculars revealed polar bears – more than 20 in total – exploring the ghost town. Dmitry used a low-noise drone to document them. (Photo by Dmitry Kokh/Wildlife Photographer of the Year 2022)

A diver wearing a Santa Claus costume swims with fishes in a large tank during an underwater performance for the upcoming Christmas celebration at Hakkeijima Sea Paradise in Yokohama, south of Tokyo, Japan on December 1, 2022. (Photo by Kim Kyung-Hoon/Reuters)

Cooler temperatures begin this week as a polar vortex brings much colder conditions with the chance of snow for Snowdonia, Ogwen Valley, North Wales on 22nd October 2018. The Ogwen Valley and Tryfan Mountain looking splendid in the Autumn sunrise. (Photo by DGDImages/Alamy Live News)

A tourist poses for a souvenir snap in front of autumn foliage in Pitlochry, Scotland, Britain on September 28, 2018. (Photo by Russell Cheyne/Reuters)

A hiker admires the view as Mt. Etna, Europe's largest active volcano, erupts in the background, in the Bove Valley of Etna Park, on the eastern slope of Mt. Etna, in Sicily, southern Italy, Sunday, July 4, 2021. Since Feb. 16, 2021, Mt. Etna has begun a series of eruptive episodes. (Photo by Salvatore Allegra/AP Photo)

Climate change activist Greta Thunberg reacts during a news conference during COP25 climate summit in Madrid, Spain, December 9, 2019. (Photo by Juan Medina/Reuters)