https://joy.videvo.net/videvo_files/video/free/2020-01/large_watermarked/191217_Rail_4k_V3-0047_preview.mp4 People walking up stairway from overhead An overhead shot looking down at people walking up stairs at a train station activebusycommutecommutercommutingcongestioncrowdfootstepshorizontal linesmenoverheadpeoplepersonpublicrailwayrushingstaircasestairwaystationsteptraintravelwalkwalkingwalkwaywomenwork