在人类文明史上,城市有着非常重要的地位。这里人口集中,是周围地区的政治经济文化中心,聚集了大量的物质与精神财富。城市对于人类的进步、社会的发展具有十分重大的意义。世界各地在不同历史时期都有许多著名的城市,经过岁月的洗汰,其中一些幸运地留存至今,这些古城保存着丰富的古建筑和文物史迹以及深厚的历史文化传统,成为凝固的历史。 In the history of human civilization, the city has a very important position. The population concentration here is the political, economic and cultural center of the surrounding area, gathering a great deal of material and spiritual wealth. The city is of great significance to the progress of mankind and the development of society. Many famous cities in different historical periods all over the world have been fortunate enough to survive some years ago. These ancient cities preserved the rich history of ancient buildings and cultural relics as well as their profound historical and cultural traditions.