Barcelona, Spain - October 15, 2019: People go in modern Underground metro in a big city Megalopolis.
Metro arrives at the station. People in a subway. Underground transport in the city.
Shanghai, China - July 4, 2020: The underground metro platform, people are waiting for the metro train wearing the face mask during the pandemic period.
Shanghai, China - July 4, 2020: People go down on stairs in Shanghai underground. Modern transfer connection, subway to city passway.
Hongkong, China - August 2019: cctv camera security controlling metro underground escalator to prevent crime. safety surveillance protection. video monitoring recording closeup. concept crowded
Close-up of people going down to the subway or underground train station by using the escalation. Concept. Urban transportation
PARIS MAR 23 2019 Passengers using Paris subway metro car, a crowd of people commuting on public train slow motion.
BARCELONA - OCTOBER 25 2018: modern commute on electric skateboard in city urban transportation battery powered vehicle scooter traffic cycle path cars road
BARCELONA - OCTOBER 25 2018: modern commute on electric skateboard in city urban transportation battery powered vehicle scooter traffic cycle path cars road
Turin, Piedmont, Italy. March 2019. Porta Susa railway station. The metro has a stop in the heart of the station, passengers pass by the turnstiles to go to trains. 4K video at 25 fps
Seoul, South Korea: Commuters on Underground Train, Busy with Cell Phones
Closeup shot on the public metro train's door automatically opening and passenger step into cabin, train arrival to platform, people and modern transportation, rapid transit or mass rapid transit