中文摘要：

本文对旧城改造中的历史空间存续和再生,在认知和实践的层面上作了深度探讨,特别是从北京城的当代变迁切入,比较了现代性在中西城市更新中的不同呈现方式,指出了二者在文明层级和发展阶段上的差异;反思了西方影响和中国实际背景下的城市更新途径;主张在历史空间之于城市进化的积极意义方面,思考和探索保存与更新的关系。文末以笔者主持的相关课题为例,讨论了历史空间存续和再生的具体方法。

英文摘要：

This article discusses the epistemology and practice regarding the preservation, renovation and revitalization of historic places in radical urban development. Taking Beijing＇s modern urban transformation as an example, it compares the different expression of modernity in the urban renewal process between China and the West,teases out their respective patterns of civilization and stages of evolution underlying such difference, and reflects on the Chinese mode that possesses clear influence from the West, and deals with the real social problems in China. The article further calls for a fundamental rethinking of the practice by establishing a constructive relationship between conservation and development. The article ends with a case study of the project designed by Chang Qing Studio which attempt to explore a more sophisticated method of historic preservation and renovation in a local context.