A man watches the huge waves which brakes at the Paseo Nuevo's promenade in San Sebastian, Basque Country, Spain on 11 January 2016 where the wind has reached to 90 km/h and have been registred waves of eight kilometres due to the bad weather. (Photo by Juan Herrero/EPA)

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)

Military policemen take part in an operation at Cidade de Deus favela in Rio de Janeiro, Brazil, on February 01, 2018. (Photo by Mauro Pimentel/AFP Photo)

A model poses for a photograph backstage during Moscow Fashion Week in Moscow, Russia, Monday, October 7, 2024. (Photo by Pavel Bednyakov/AP Photo)

A police officer adjusts her helmet on the sidelines of an anti-government protest against food scarcity at soup kitchens and economic reforms proposed by President Javier Milei, in Buenos Aires, Argentina, May 7, 2024. (Photo by Natacha Pisarenko/AP Photo)

A woman throws fallen leaves and jumps while posing for a photo at the Bauman garden in Moscow, Russia, Tuesday, October 14, 2025. (Photo by Pavel Bednyakov/AP Photo)

A Russian trenchmortar crew run to take up a new firing position in the Stalingrad area during the Great Patriotic War. (Photo by Keystone/Getty Images). October 1942

Italian disabled dancer Simona Atzori (top) performs, before a special audience with disabled athletes led by Pope Francis, in Paul VI hall at the Vatican October 4, 2014. (Photo by Tony Gentile/Reuters)