The lava of the Cumbre Vieja volcano reaches the door of a tattoo shop in La Laguna neighborhood, on the Canary Island of La Palma, Spain, December 14, 2021. (Photo by Borja Suarez/Reuters)

Offset and Cardi B are seen on July 17, 2019 in Los Angeles, California. (Photo by PG/Bauer-Griffin/GC Images)

Inquisitive elephant seal pups venture towards a photographer on South Georgia, an uninhabited island near Antarctica early July 2022. The seals are not used to seeing humans and shuffled closer to Charlotte Rhodes rather than shying away. (Photo by Charlotte Rhodes/Media Drum Images)

Actress Michelle Rodriguez attends the Shane Black 9th annual Hallowen party held on October 31, 2003 in Hancock Park, Los Angeles. (Photo by Frazer Harrison/Getty Images)

Sofia Raffaeli, of Italy, performs during the individual all-around final of the European Championships in Rhythmic Gymnastics at the Unibet Arena, Tallinn, Estonia, Saturday, June 7, 2025. (Photo by Sergei Grits/AP Photo)

The Sun rises above the forest near Kiskorpad, Hungary, 02 January 2021. (Photo by Gyorgy Varga/EPA/EFE)

Staff take no chances at a dog-grooming salon in Rotterdam in the second decade of June 2023. (Photo by RUT/Splash News and Pictures)

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)