A man carries a bag on his back in Guangzhou, Guangdong province, January 26, 2016. According to traffic police, over 2.9 billion trips will be made around China during the 40-day Spring Festival travel rush, which started on January 24. (Photo by Reuters/Stringer)

Palestinian woman Jihan Abu Muhsen prepares her donkey with her son Kareem before going work collecting bricks for sale from sites of demolished buildings, at her dwelling in Khan Younis in the southern Gaza Strip March 8, 2016. Abu Muhsen gathers bricks from the sites of demolished buildings and sells them to recycling factories. She earns around 20 shekels ($5) a day and her 10-year-old son Mohammad helps her when he is not at school. (Photo by Ibraheem Abu Mustafa/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)

Clouds in Drakensberg Escarpment in the lowveld, also known as Mariepskop, South Africa in July 2019. Snapped by professional Photographer, Em Gatland, 37, from Greater Kruger, South Africa, the unique shot could easily be mistaken for a dangerous wave rather than clouds passing through a sunset. (Photo by Em Gatland/Caters News Agency)

In this July 24, 2016 photo, a pilgrim takes a bath in a sacred mud pool during the annual Voodoo celebration in Plaine-du-Nord, Haiti, Saturday, July 23, 2016. Pilgrims come to bathe in the mud and make offerings expecting a miracle. (Photo by Dieu Nalio Chery/AP Photo)

Unidentified people beat Svyatoslav Sheremet (L, bottom), head of Gay-Forum of Ukraine public organization, in Kiev, May 20, 2012. Sheremet was attacked after meeting with members of the media to inform them that a scheduled gay parade was cancelled. The attackers ran off when they realised members of the media were documenting the attack. (Photo by Anatolii Stepanov/Reuters)

Cosplayers wearing face masks pose for a picture at the China Digital Entertainment Expo and Conference (ChinaJoy) in Shanghai, following the coronavirus disease (COVID-19) outbreak, China on July 31, 2020. (Photo by Aly Song/Reuters)

A visitor poses behind the artwork “Convergence” by artist Masarrat Fatima M Sulaimani and curated by Samar Kamel at the World Art Dubai fair at the Dubai World Trade Centre in the Gulf Emirate of Dubai, United Arab Emirates, 08 October 2020. Around 2,000 art pieces are displaying at the sixth edition of the World Art Dubai fair which is running from 08 to 10 October 2020. (Photo by Ali Haider/EPA/EFE)