Italian dancer and choreographer Graziano Di Prima and Russian dancer and choreographer Katya Jones attend the photocall for the Strictly Come Dancing: The Live Tour 2024 at Utilita Arena Birmingham on January 18, 2024 in Birmingham, England. (Photo by Eamonn M. McCormack/Getty Images)

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)

Picture dated May 1st 2022 shows Cambridge University students enjoying the Caesarian Sunday party on Jesus Green in Cambridge, United Kingdom. Thousands of Cambridge University students descended on a city centre park yesterday (Sun) as their annual summer party took place officially for the first time in three years. (Photo by Bav Media)

England fans descended on Leeds on June 12, 2021 before the Three Lions begin their Euro 2020 campaign. England and Croatia meet again after their semi-final clash in the 2018 World Cup, which saw the latter going through to the final. (Photo by Nb press ltd)

A woman drinks at a bars area in Clapham, after the reopening of commercial activities following the outbreak of the coronavirus disease (COVID-19), in London, Britain, July 4, 2020. (Photo by Hannah McKay/Reuters)

38 year old Prabhat Sinha, from Assam, carries a load of coal weighing 60kg's, supported by a head-strap, as he ascends the staircase of a coal mine on April 16, 2011 near the village of Khliehriat, in the district of Jaintia Hills, India. (Photo by Daniel Berehulak/Getty Images)

Breitling Wingwalker Freya Paterson, from Liverpool, UK, flies above Kuwait City's iconic Water Towers with pilots David Barrell and Martyn Carrington, on March 6, 2014. The team loop and roll up to 160 mph enduring G-forces of 4-5g. Crowds are expected to line the Kuwaiti coastline to catch a glimpse of the Wingwalking team on Saturday, March 8, 2014, to mark the opening of the first dedicated boutique in the city for the prestigious watch brand. (Photo by Katsuhiko Tokunaga/Breitling)