The event is Korea’s highest vertical marathon, where participants will climb 2,917 stairs across 123 floors, covering a height of 555 meters, at Lotte World Tower in Jamsil, southern Seoul.

and N Seoul Tower, both lit up on Feb. 15, 2025, to mark the 60 anniversary in December 2025 of the normalization of diplomatic ties between Japan and South Korea. (Kyodo) TOKYO (Kyodo ...