《商务周刊》:自1990年代您就提出要开发城市地下空间。目前很多大城市均提出了具体的地下空间开发和规划方案,例如2009年11月出台的《北京地下空间规划》,您认为开发城市地下空间的必要性和紧迫性?王梦恕:目前我们国家发展面临着六大难题,即人口、土地、能源、水资源、环 Business Week: Since the 1990s you have proposed the development of urban underground spaces. At present, many big cities have put forward specific plans for the development and planning of underground space. For example, “Beijing Underground Space Planning” promulgated in November 2009, do you think the necessity and urgency of developing urban underground space? Wang Mengshu: At present, our country faces development The six major challenges, namely population, land, energy, water resources, ring