https://joy.videvo.net/videvo_files/video/free/2019-03/large_watermarked/180626_11_Seocho-Dong_04_preview.mp4 Window Cleaners Cleaning Skyscraper A handheld shot looking up at window cleaners working on a skyscraper in Seoul. citycleancleanercleaninghighkoreamaintenanceofficeriskseoulserviceskyscrapersouth koreawasherwindowwindow cleanerworker