Taking it all in at Trolltunga, a piece of rock which juts horizontally out of a mountain, 700 metres above lake Ringedalsvatnet in Norway. (Photo by Sam Rogers/GuardianWitness)

Neil Zeller's snaps were taken across Canada, where he photographs the northern lights dancing across a dark night sky. In one stunning shot, Zeller, 42, even manages to capture a flash of lightning beneath a storm cell while an aurora gives off a magnificent green glow. The photographer, from Calgary, Alberta, describes himself as a night person, and became interested in night photography about 10 years ago. (Photo by Neil Zeller/Caters News)

A woman walks past a painting by Jenny Saville entitled “Red Stare Head IV” on display in the Royal Academy of Arts' Summer Exhibition on June 2, 2011 in London, England. The Summer Exhibition is the world's largest open submission contemporary art show, now in its 243rd year, with over 12,000 entries received from 27 countries. The exhibition features over 1100 works of art including: painting, sculpture, photography, architecture and film, it officially opens to the public on June 7, 2011. (Photo by Oli Scarff/Getty Images)

Rani rides home with her father on the back of his bicycle on March 6, 2017 in Khulna division, Bangladesh. Rani, who is now 16, was under pressure to marry a boy when she was 14-years-old despite the reluctance of Rani and her father, Abdul. (Photo by Allison Joyce/Getty Images)

Artist Tsuneo Sanda was born in Osaka, Japan. He first came to Tokyo at age 23, and has been there ever since. He lives in a rural, residential town about 20km west of Tokyo with his wife, Sachicko, two sons, Kensaku and Sohei, and Vivian, their American Shorthair cat.

Alexandr Kudlay, 33, and Viktoria Pustovitova, 28, have breakfast in their apartment in Kharkiv, Ukraine on March 5, 2021. Tired of occasional break-ups, this Ukrainian couple found an unusual solution to stay inseparable. On St. Valentine's Day, they decided to handcuff their hands together for three months and began documenting their experience on social media. (Photo by Gleb Garanich/Reuters)

Teenagers playing with mud started the Bloco da Lama in 1986 and it has since become an annual event in the city of Paraty, Brazil. Hundreds of people wrestle, coat each other in mud and throw it around to the sound of samba and reggaeton at a carnival beach party on February 18, 2023. Clothes are optional, but mud is not. (Photo by Fabio Teixeira/SIPA Press/Profimedia)

The competition, which is run by the Royal Observatory Greenwich in association with BBC Sky at Night Magazine, is now in its sixth year and has received over 2,500 entries. Photo: Centre of the Heart Nebula by Ivan Eder (Hungary). Situated 7500 light years away in the “W”-shaped constellation of Cassiopeia, the Heart Nebula is a vast region of glowing gas, energized by a cluster of young stars at its centre. The image depicts the central region, where dust clouds are being eroded and moulded into rugged shapes by the searing cosmic radiation. (Photo by Ivan Eder)