To an outsider, their passion is at times illegal and often on the verge of life and death. But climbing rooftops of high-rise buildings and exploring abandoned facilities is in the blood of these young Muscovites. The small group calls itself “Rudex”, which stands for “roof and decay exploration”, and is akin a Western youth craze known as urbex or “urban exploration” of man-made structures. Here: Urban explorer Vad Him of Rudex team jumps whilst on a rooftop in Moscow, Russia, August 14, 2017. (Photo by Maxim Shemetov/Reuters)

Soccer fans wearing Argentina's football team jersey arrive at workers' stadium to watch a friendly match between Australia and Argentina in Beijing on June 15, 2023. (Photo by Jade Gao/AFP Photo)

A political billboard by the artist Karen Fiorito satirising Donald Trump and Elon Musk in Phoenix, US on March 12, 2025. The artwork, titled Twitler and Putin’s Puppet Do Washington, depicts Musk as a puppet master controlling Trump. The artwork on the other side, Liar in Chief, references Project 2025, a conservative proposal to overhaul the federal government. (Photo by Eduardo Barraza/ZUMA Press Wire/Rex Features/Shutterstock)

French television personality Iris Mittenaere poses on the red carpet during arrivals for the screening of the film “Alpha” in competition at the 78th Cannes Film Festival in Cannes, France, on May 19, 202. (Photo by Sarah Meyssonnier/Reuters)

A cat dressed in a traditional Ukrainian embroidered shirt takes part in a parade in Kiev, Ukraine on May 28, 2016. (Photo by Gleb Garanich/Reuters)

Cast members Ryan Hansen, Kristen Bell, and Jason Dohring (L-R) pose at the premiere of “Veronica Mars” in Hollywood, California in this March 12, 2014 file photo. (Photo by Mario Anzuoni/Reuters)

Participants of the annual “SlutWalk” march through the Israeli Mediterranean coastal city of Tel Aviv on May 4, 2018 to protest against rape culture, including sexual assault and harassment directed at women. The campaign, which has gained international notoriety, was inspired by group of Canadian women who launched the protest in 2011 in response to a policeman' s comment that if women want to avoid being attacked they should not dress like sl*ts. (Photo by Jack Guez/AFP Photo)

People visit the Yellow Sea forest park as the leaves of Dawn Redwoods turn red and yellow in winter in Yancheng, eastern China's Jiangsu province on December 4, 2025. (Photo by AFP Photo/China Stringer Network)