PHOTOS Life on the edge: Cleaning Korea's tallest building
Window cleaners are at work on the 123-story Lotte World Tower, Korea's tallest building, in southern Seoul, Tuesday. The skyscraper has about 42,000 windows. After opening to the public in 2017, the building has its windows cleaned once a year. Korea Times photo by Shim Hyun-chul
By Jung Min-ho
Korea Times photo by Shim Hyun-chul
Korea Times photo by Shim Hyun-chul
Korea Times photo by Shim Hyun-chul
Korea Times photo by Shim Hyun-chul