Paramilitary policemen take part in a summer training in Shenzhen, Guangdong province, China, June 27, 2016. (Photo by Reuters/China Daily)

A man sleeps in a subway train in New York city on August 1, 2024. (Photo by Charly Triballeau/AFP Photo)

In a photo taken on October 7, 2020 a woman holds two dogs as she waits for a train in Suncheon. (Photo by Ed Jones/AFP Photo)

An Emirati man sits outside an old house at the Heritage Village in Dubai, UAE March 13, 2016. The Heritage Village was created in 1997 in Al Shindagha Historical Neighborhood in Dubai, close to the Diving Village, to embrace the heritage events and to display a live image of the old traditional life in UAE. It represents the components of wild, marine, and mountain life, where the visitor can identify closely the old traditional customs of the country and the special characteristics of old houses, handicrafts, patterns, and forms of living. It is owned and managed by Dubai Culture & Arts Authority. (Photo by Ahmed Jadallah/Reuters)

A woman sits in a train at a subway station in Pyongyang, North Korea on September 11, 2018. (Photo by Danish Siddiqui/Reuters)

Paramilitary policemen carry tyres as they take part in a training session in Zhangye, Gansu Province, China, March 1, 2016. (Photo by Reuters/Stringer)

A Ukrainian serviceman kisses his partner at the train station in Kramatorsk, Ukraine, Thursday, March 23, 2023. (Photo by Evgeniy Maloletka/AP Photo)

A professional training in explosive disposal is held in Nanning, Guangxi, China on 18th February, 2021. (Photo by Top Photo Corporation/Rex Features/Shutterstock)