Urban Revitalization by Integrating Underground Space into City Space: Urban Design for Commercial District of Xiguan Cross in Lanzhou

摘要

This paper focuses on the revitalization of underground space in commercial district of the old city. Firstly, the concept of urban regeneration is discussed from urban renewal to urban revitalization. Then, current issues of underground space and technical barriers of revitalization are analyzed. Finally, taking Xiguan Cross area as a case, a series of approach and measures are proposed.