Duisburg; Inner Harbor; originally the central port of Duisburg. As part of the international building exhibition IBA Emscherpark in the 1990s as a result of structural change; a residential area with cultural facilities and office space was created here in the immediate vicinity of the city center."Garden of memories" also called the city park. City park at the inner harbor laid out in 1999 after plans by Dani Karavan on former industrial and commercial sites.Duisbug; October 15; 2007.