https://joy.videvo.net/videvo_files/video/free/2018-08/large_watermarked/180626_14_Metro_01_preview.mp4 Commuters on Smartphones A shot, in slow motion, of commuters on their smartphones. 1080pcommutecommutercommutingiphonekoreaMetromobilephoneseoulsmartphonesouth koreastationtraintrain stationworker