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)

Italian-American actress and model Julia Fox is seen on February 15, 2023 in New York City. (Photo by Rachpoot/Bauer-Griffin/GC Images)

Madonna's daughter, singer Lourdes Leon attends the Mugler H&M global launch event at the Park Avenue Armory on Wednesday, April 19, 2023, in New York. (Photo by Evan Agostini/Invision/AP Photo)

A Romanian honor guard soldier waits before the arrival of Moldovan President at Cotroceni Presidential Palace, in Bucharest, Romania, 23 November 2021. Maia Sandu is on a one-day official visit to Romania. (Photo by Robert Ghement/EPA/EFE)

Swimmers in fancy dress take part in a Christmas Day dip at Exmouth, Devon, England, Saturday, December 25, 2021. (Photo by Ben Birchall/PA Wire via AP Photo)

American singer Dove Cameron arrives for the world premiere of “The Flash” at Ovation Hollywood in Hollywood, California, on June 12, 2023. (Photo by Michael Tran/AFP Photo)

American actress and social media personality Madelaine Petsch in the last decade of April 2024 has the “best night” of her life at an ABBA performance. (Photo by madelame/Instagram)

American model Kaia Gerber (L) and American actress Kate Hudson attend the “Shell” After Party during the Toronto International Film Festival at Elevation Pictures on September 13, 2024. In this dark comedy and body horror about society's obsession with youth and good looks, an actress (Elisabeth Moss) challenges a beauty firm CEO (Kate Hudson) over her company's questionable science. (Photo by ZUMAPRESS.com/The Mega Agency)