There is no library in the unfinished building on the south side of Jinhai Lake in Tanggu Ocean High-tech Zone, because the land has been sold. The unfinished building on the south side of Jinhai Lake in Tanggu Ocean High-tech Zone belongs to the planned land and belongs to the commercial nature. The planning will comprehensively consider regional development and supporting strength to provide high-quality social services for residents in and around the region. Now it has been sold, and the specific construction content will be decided by the owner of the shopping industry. Tanggu is the central area of Tianjin Binhai New Area.