Located at the foot of the Rocky Mountains on the North Saskatchewan River, the rare phenomenon occurs each winter in the man-made lake. Photo: Ice bubbles in Abraham Lake. (Photo by Chip Phillips/Rex Features)

A shepherd, holding a lamb, is seen in Gurpinar district of Van, Turkiye on March 30, 2022. Norduz sheep, which are among the significant germplasm of Turkiye and therefore the number of which is aimed to be increased with the state-funded projects. Directorate of Agriculture and Forestry of Van has started work to protect the breed and increase the number of Norduz sheep, which have one more rib than regular sheep and have higher meat and milk yield. Projects are impelling to rise the number of small cattle and to protect local breeds due to the fact that Van ranks first in Turkiye in terms of small cattle. (Photo by Ozkan Bilgin/Anadolu Agency via Getty Images)

A staff of the Beijing 2022 Winter Olympic Games holds a placard reading “Mask on” as USA's players react after their defeat in the women's gold medal match of the Beijing 2022 Winter Olympic Games ice hockey competition between Canada and USA, at the Wukesong Sports Centre in Beijing on February 17, 2022. (Photo by Kirill Kudryavtsev/AFP Photo)

Adrian Reyes, representing Canada, prepares backstage before competing in the Miss International Queen pageant on June 24, 2023 in Pattaya, Thailand. Thailand hosts Miss International Queen, the largest and most prestigious international transgender beauty pageant. The pageant, held annually in Pattaya, Thailand is held takes place during Pride month. Throughout Thailand, Thai LGBTQ activists have held Pride events calling for equality and pressuring the incoming government to move forward with legislation that would allow marriage for all. (Photo by Lauren DeCicca/Getty Images)

People explore the ice covered pier in Port Stanley, Ontario, Canada, on December 27, 2022. The ice formations were created by a large winter storm which hit the region on over the Christmas weekend. Temperatures were expected to moderate across the eastern and midwest US on December 27, after days of freezing weather from "the blizzard of the century" left at least 49 dead and caused Christmas travel chaos. (Photo by Geoff Robins/AFP Photo)

A man bundled up for the cold weather carries a dog in his jacket while walking along the waterfront in New Westminster, British Columbia, Tuesday, December 28, 2021. Environment Canada has issued an arctic outflow warning for Metro Vancouver and the south coast with well below normal temperatures forecast for the region. (Photo by Darryl Dyck/The Canadian Press via AP Photo)

The fourth annual BigPicture Natural World Photography Competition aims to celebrate the diversity of life on Earth, and encourages people to protect and conserve it. Here: “The Salmon Catchers”. Terrestrial Wildlife. To capture this view of a mother grizzly bear and her cub, photographer Peter Mather set up a camera trap on a log that he knew the bears tended to traverse while fishing for salmon, in the Yukon River watershed in Canada. (Photo by Peter Mather/BigPicture Natural World Photography Competition 2017)