In this photo taken Tuesday, October 14, 2014, skulls and bones are stacked at the Catacombs in Paris, France. The subterranean tunnels, stretching 2 kilometers (1.24 miles), cradle the bones of some 6 million Parisians from centuries past and once gave refuge to smugglers. The site used to close at 5 p.m., but is now staying open until 8 p.m. The change is mainly aimed at allowing more people to visit and reducing long lines, since it can only hold a limited number of people at a time and visits can't be reserved in advance. (Photo by Francois Mori/AP Photo)

The Economic and Social Research Council (ESRC) has announced the winners of a UK national photography competition in which we challenged young people aged 14–18 for their unique take on society and the social sciences by asking them to take a picture on the theme of “Where Do I Belong?” – ESRC Press Office. Photo: “Society hurts”. (Photo by Grace Ridge/ESRC)

A young boy dressed in traditional Tamang dress plays with pigeons as Sonam Lhosar (the new year festival) is observed in Kathmandu, Nepal on February 2, 2022. (Photo by Amit Machamasi/ZUMA Press Wire/Rex Features/Shutterstock)

Colombia's Tatiana Renteria Renteria (red) wrestles Japan's Yuka Kagami (blue) in their women's freestyle 76kg wrestling semi-final match at the Champ-de-Mars Arena during the Paris 2024 Olympic Games, in Paris on August 10, 2024. (Photo by Punit Paranjpe/AFP Photo)

“DC3 Wreck”. A capture of a US military DC3 plane wreck at the southern black beach in Iceland. Photo location: Iceland. (Photo and caption by Naian Feng/National Geographic Photo Contest)

An employee sorts waste at the Wecycler recycling centre in Ebutte Meta district in Lagos, Nigeria July 28, 2016. (Photo by Akintunde Akinleye/Reuters)

Japanese researchers have sparked hopes of finding a cure for human baldness after successfully growing hair on hairless mice by implanting follicles created from stem cells, Agence France Presse reports. A picture taken on April 13, 2012 and released by the Tsuji Lab Research Institute for Science and Technology of the Tokyo University of Science shows a hairless mouse with black hair on its back at the laboratory in Noda, Chiba Prefecture. (Photo by Tokyo University of Science via AFP)

In this aerial image, Baker Lake is surrounded by Fall colors on October 8, 2022 near East Bolton, Quebec, Canada. (Photo by Sébastien St-Jean/AFP Photo)