A person dressed as an astronaut is seen at a metro station in Istanbul, Turkey on December 6, 2021. A man with an astronaut outfit walked around the city's metro stations as part of the promotion of NASA Space Exhibition, which reflects 50 years of space studies and experiences of the NASA, to be opened at Metropol Istanbul Mall. (Photo by Mehmet Murat Onel/Anadolu Agency via Getty Images)

A child watches as an adult poses for a photograph while holding a Thompson AR-15 rifle, which is inscribed with the likeness of former US President Donald Trump at the Tommy Gun Warehouse during the annual Rod of Iron Freedom Festival in Greeley, Pennsylvania, 07 October 2023. The festival is one of the the largest open carry festivals celebrating the 2nd Amendment in North America. (Photo by Will Oliver/EPA)

A participant with a face painted as popular Mexican figure “Catrina” attends the Day of the Dead event at a National house for Mexican fans in central Moscow, a host city for the 2018 FIFA World Cup, Russia June 29, 2018. (Photo by Sergei Karpukhin/Reuters)

An elephant “kisses” a visitor during a show at an elephant training school in Xishuangbanna, Yunnan province, April 18, 2015. Some 16 elephants live at the school and give four 30-minute performances everyday for visitors. (Photo by Wong Campion/Reuters)

The photography of Art Wolfe covers the globe, capturing landscapes, wildlife, and cultures from every continent; here he talks through a selection of his favourite images. Art Wolfe is an American photographer and conservationist. His photographs have been noted by environmental advocacy groups for their “stunning” visual impact. Here: Snowy owlets (Bubo scandiacus), Arctic National Wildlife Refuge, Alaska, USA. (Photo by Art Wolfe/Art Wolfe Stock)

The sun rises between Sgurr nan Gillean and Knight’s Peak, Black Cuillin, Isle of Skye. (Photo by Adrian Trendall/Mountain Photo of the Year)

Thousands of species of amphibians are endangered and hundreds have already disappeared, but in recent years, a team of scientists and conservationists have re-discovered some of these “lost” species and uncovered previously unknown varieties. Here: Miniature glass frog. (Photo by Robin Moore)