Ngorongoro Crater (Tanzania). At 610m deep and 260 sq km, this is the largest unflooded caldera in the world. A blue-green vision from above it's a haven for engangered wildlife and Maasai livestock. The crater was formed three million years ago when a giant volcano, which could have been as high as Kilimanjaro, exploded and collapsed. The caldera formed the concentric fractures in the crust cracked down to a magma reservoir deep underground. (Photo by John Bryant/Getty Images)

Children with balloons play beside the statue of British comedy legend Eric Morecambe on January 16, 2012 in Morecambe, England. According to scientists January 16, 2012 was “Blue Monday”, the most depressing day of the year. (Photo by Christopher Furlong/Getty Images)

With the world feeling more distant than ever, photographers were this year called on to translate their vision of the new humanity into images seen through their own eyes. Here: May. (Photo by Ami Vitale/2021 Lavazza Calendar)

Anthony Joshua, right, knocks down Andy Ruiz during the third round of a heavyweight championship boxing match Saturday, June 1, 2019, in New York. Ruiz won in the seventh round. (Photo by Frank Franklin II/AP Photo)

People gather for the second annual “Cat Beauty Festival” organized by Royal Veterinary Hospital in Sulaymaniyah, Iraq on July 2, 2025. Around 200 cats participated in the event, where the first round was determined by social media votes. The winner, a cat named “Gule Rana”, was selected by a jury. The festival aims to promote animal love and raise awareness about feline care. (Photo by Fariq Faraj Mahmood/Anadolu via Getty Images)

A person wearing a face mask holds a cat on Swanston Street after cases of the coronavirus were confirmed in Melbourne, Victoria, Australia, January 29, 2020. (Photo by Andrew Kelly/Reuters)

A colorful drawing is seen on a wall in Baghdad, Iraq on October 24, 2021. A group of volunteer painters tries to give hope and joy to the Iraqi residents by painting colorful murals on the walls of the houses and streets of the city, tired of violance. Seve-member group named “Butterfly Effect” is busy in drawing paintings to depict life in Baghdad and its cultural heritage on the buildings (Photo by Murtadha Al-Sudani/Anadolu Agency via Getty Images)

Detroit Lions cheerleaders perform a routine with the Grinch during a timeout in the action in the second quarter of the Detroit Lions against the Green Bay Packers at Ford Field in Detroit, Michigan on December 5, 2024. (Photo by Lon Horwedel/USA Today Sports)