People hide under the bridge in shadow on summer hot day resting by Cheonggyecheon Stream in Seoul City downtown with a view of high tower skyscrapers against blue sky

cheonggyecheon stream seoul city seoul downtown buildings korean urban billboard center city stream under skyscraper development architecture economy tower highrise sightseeing bridge walkway sky office look up walk destination angle business sunny futuristic design travel people wide against landscape hide tourist summer high avoid cool blue water glassy shadow sitting cool down hot