综观世界各国城市,中国与众最大的不同就是围墙。据不完全统计,全国公共单位(不计住宅)的围墙总长达500多万公里,为万里长城的1000多倍,总占地1100平方公里,加上两侧墙脚不能利用的死地共达3350平方公里。迈出国门,浏览包括发展中国家在内的世界各国的城市,哪里看得到如此壮观的围墙阵!外国一些 Looking at the cities in various countries in the world, the biggest difference between China and the public is the wall. According to incomplete statistics, the total length of the walls of public units (excluding residences) in the country amounts to more than 5 million kilometers, more than 1,000 times the Great Wall and a total area of ​​1,100 square kilometers. Together with 3,350 square kilometers of dead, . Take a country to browse the cities of other countries in the world, including developing countries, and see some such spectacular enclaves! Some foreign countries