The geographical environment of the mountain area of Nanling is very complicated and varied.The mountain area of Nanling include South Hunan,South Jiangxi,North Guangdong,North Guangxi,etc.It has ancient and unique historical culture.The area is characterized by a distinctive regional style of keeping the most varied and numerous ancient villages in our country.The ancient villages and its unique historical cultural value,its value of scientific research and tourism has aroused many scholars' attention.These scholars covered the fields of the science of history,geography,aesthetics,architectur...