城市是人类文明的标志。城市本应是方便、舒适、高效、繁荣的,但现实的城市却常常拥挤、混乱、嘈杂、无序。联合国最新研究资料表明,到本世纪末,城市人口占总人口小于80%的国家将寥寥无几。城市的快速发展和人口的迅猛增长,必然要占用大量土地资源,珍惜城市土地资源,精心塑造城市环境显得越来越重要,我们绝不能再滥用宝贵的城市土地,给未来留下一堆混凝土垃圾。 The city is a symbol of human civilization. The city should have been convenient, comfortable, efficient and prosperous, but the reality of the cities was often crowded, chaotic, noisy and disorderly. The latest UN research shows that by the end of the century, there will be only a few countries with urban population less than 80% of the total population. The rapid development of the city and the rapid population growth will inevitably occupy a large amount of land resources. It is more and more important to cherish the urban land resources and carefully shape the urban environment. We must never abuse precious urban land and leave a pile of concrete garbage for the future .