The Mexico – United States barrier – also known in the United States as the border fence, rotted fence or border wall – is actually several separation barriers designed to prevent illegal movement across the Mexico – United States border.

A leopard skin burns as Indian officials and activists burn wildlife contraband including tiger and leopard skins, and bones as part of a campaign to save the tiger in Mumbai, India, Tuesday, July 30, 2013. Despite conservation efforts, tiger numbers in India have declined due to rampant poaching of the cats for their valuable pelts and body parts that are highly prized in traditional Chinese medicine. (Photo by Rafiq Maqbool/AP Photo)

A greater bird of paradise (Paradisaea apoda) displaying in Badigaki Forest, Wokam Island (Aru Islands, Indonesia). Found here in Aru and on adjacent New Guinea, the greater bird of paradise represents about 40 different species of birds of paradise that depend on intact rainforest across the New Guinea region spanning eastern Indonesia and Papua New Guinea. With more than 80% of forest cover still intact, this region represents the largest remaining block of rainforest in the entire Asia-Pacific. (Photo by Tim Laman/naturepl.com/LDY Agency)

This aerial picture taken on the night of November 12, 2018 shows traffic on an elevated intersection in downtown Shanghai, China. (Photo by Johannes Eisele/AFP Photo)

Geology Professor Fetullah Arik takes measurements next to a large sinkhole on June 03, 2021, in Karapinar, Turkey. In Turkey’s Konya province, the heart of the country's agriculture sector, extreme drought conditions over the past two years are taking a heavy toll on farmers and the land. (Photo by Chris McGrath/Getty Images)

Police and the Russian National Guard (Rosgvardia) servicemen patrol Red Square in front of the Spasskaya tower of the Kremlin in Moscow on October 24, 2022, as part of security reinforcement measures. (Photo by Alexander Nemenov/AFP Photo)

Cute giant pandas enjoy life in China Conservation and Research Center for Giant Panda in Wenchuan County, Aba Tibetan and Qiang Autonomous Prefecture, southwest China's Sichuan Province, 8 February, 2023. (Photo by Rex Features/Shutterstock)

Surrender by Jenkin Van Zyl, a surreal installation at Fact Liverpool on November 16, 2023 featuring film and sculptural works inside a large inflatable silver rat. (Photo by James Glossop/The Times)