Yanghwa Bridge And Dangsan Railway Bridge Over Hangang River At Sunset In Seoul, South Korea

yanghwa bridge dangsan railway bridge yanghwa bridge dangsa railway span cross hangang river han river dusk night twilight seoul south korea city train transport transportation yeongdeungpo structure hangang service trains metro railroad dangsan river seoul subway line 2 circle line waterfront tourism tourist business attraction travel commuter financial tourist attraction cityscape landmark skyline skyscraper downtown urban building architecture trip seoul metropolitan subway