Dizzying footage has emerged showing the journey to reach China's deepest subway station.
The Hongtudi station in south-west China's Chongqing Municipality is built 94 metres (308 feet) below the ground, roughly equivalent to the height of a 31-storey building.
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Commuters who wish to take Line 10 of the Chongqing Metro would have to spend at least five minutes on six escalators before they can reach the platform. The alternative is a flight of stairs with 354 steps.
The station, which opened in 2016 as part of Line 6 of the transit network and located 60 metres (196 feet) below the ground, was already dubbed the deepest subway station in the country.
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It then broke its own record a year later, when authorities further excavated the station to connect it to Line 10.