![Four-rows-of-escalator-staircases-join-at-same-level,-people-stepping-of-escalator-in-modern-hallway,-airport-terminal,-modern-transportation-equipment](https://videocdn.cdnpk.net/harmony/content/video/premium/partners0133/thumbnails/BB_2bf748df-9985-4b55-a692-74a7391a3d85_small.jpg)
Four rows of escalator staircases join at same level, people stepping of escalator in modern hallway, airport terminal, modern transportation equipment
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