[4K Night Walk] 청계천 – Walking along the Cheonggyecheon Stream, Seoul, Korea

Cheonggyecheon (Hangul: 청계천, Korean pronunciation: [t͡ʃʰʌŋ.gje.t͡ʃʰʌn]) is a 10.9-kilometre-long (6.8 mi), modern public recreation space in downtown …