Runners cross the Verrazano-Narrows Bridge shortly after the start of the New York City Marathon in New York, November 2, 2014. (Photo by Lucas Jackson/Reuters)

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)

Couple getting intimate on couch. (Photo by Vincent Besnault/Getty Images)

A woman says goodbye to a reservist drafted during the partial mobilisation, before his departure for a military base, in Sevastopol, Crimea on September 27, 2022. (Photo by Alexey Pavlishak/Reuters)

Catholic faithful attend a Palm Sunday mass at the start of Holy Week in San Lorenzo, Paraguay, Sunday, March 24, 2024. (Photo by Jorge Saenz/AP Photo)

A Palestinian boy, who was displaced by Israel's military offensive with his family on south Gaza, holds a cat as he attempts to return to his home in north Gaza through an Israeli checkpoint, in the central Gaza Strip, on April 15, 2024. (Photo by Ramadan Abed/Reuters)

A girl watches as a man jumps to cool off at a swimming pool in the village of Zllakuqan near the town of Klina on July 9, 2024. (Photo by Armend Nimani/AFP Photo)

Dogs and owners run during of 4k pet run “A Race with a Cause”, organized to raise funds for a shelter for rescued dogs in Caracas, Venezuela, Sunday, April 30, 202. (Photo by Ariana Cubillos/AP Photo)