Redeveloped ports and waterfronts in South Korea

Cheonggyecheon (, ) is a stream and public space in downtown Seoul, South Korea. A natural stream sourced from the Suseongdong Valley in Inwangsan, it was historically maintained as part of Seoul's early sewerage until the mid-20th century, when post-Korean War rapid economic development and deteriorating conditions prompted the filling of the stream with concrete and the construction of an elevated freeway, the Cheonggye Expressway, in its place. In 2003, the city government began an urban renewal project to remove the expressway and restore the stream, which was completed in 2005 at a cost o

Songdo (), officially known as Songdo International Business District (Songdo IBD), is a smart city built on of an artificial island off the coast of Incheon's waterfront, southwest of Seoul, South Korea. It is connected to Incheon International Airport by a reinforced concrete highway bridge called Incheon Bridge. Along with Yeongjong and Cheongna, it is part of the Incheon Free Economic Zone.