关于长城的economic, environmental,cultural and social impacts of tourism at the site

Great Wall with the main types of economic and cultural exchanges and natural into the central and local government organized the exchange of two broad categories. The course of history, the Great Wall to bring unity and to split the time in the personnel exchanges; between businessmen and the exchange of goods; war and looting; the central and local government to implement economic and cultural exchanges in favor of the measures; different historical periods between the various ethnic groups " and pro-"and" marriage "and" Gong "," thanks to "the form of the relationship between the two major types are listed above.
The Great Wall as a symbol of the Chinese nation is always a subject of the international community truly amazing, the Chinese people and take pride in it. However, to the Great Wall as a historical and cultural phenomenon, and the profound historical and cultural reflection, it seems that has not yet attracted sufficient