Trees are planted on the Seoullo 7017 elevated sky park in Seoul, South Korea with people walking by

seoullo 7017 people walking elevated sky park skygarden tree plant pedestrian walkway above seoul city skyline street seoullo downtown skyscraper linear park manmade skypark south korea tranquil building urban architecture travel cityscape business sky blue modern tourism landmark green design garden asia tower outdoors famous landscape summer nature color bridge highway