[日]小泉淳编胡连荣译随着世界人口的增长、城市化进程的推进,各个国家对城市空间都有着更大的需求。当今全世界人口已超70亿,其中有超过一半的人口居住在城市。而到2050年预计总人口将达95亿,并将有70%的世界人口居住在城市。如此情形,开发地下空间对城市建设至关重要,地下空间的利用为城市的基础设施、生活服务设施提供了新的空间,同时还为我们的城市节省了大量宝贵的地面空间资源,而且今后社 [日] Jun Koizumi, Editor-in-Chief Junichiro Koizumi As the world’s population grows and urbanization progresses, each country has a greater demand for urban space. Today the world’s population exceeds 7 billion, of which more than half live in cities. By 2050, the total population is projected to reach 9.5 billion and 70% of the world’s population will live in cities. Under such circumstances, the development of underground space is crucial to urban construction. Utilization of underground space provides new space for urban infrastructure and living service facilities, while saving a great deal of valuable ground space resources for our city. In the future,