Graet Wall of China, China's legendary defense line, is the country's major historic monument. China started to construct that seemingly impenetrable fortification over 2000 year ago. While the vast majority of the sections of the wall were erected during the Ming Dynasty, the Great Wall was a collective effort from all of China's imperial dynasties.
In the last century, due to various environmental reasons and human activities, about one million square meters of land from Xinjiang to the Songneng Plains are changing from arable land into desert. This trend has extended past the Great Wall and spread to inside the passes. Also, large parts of the Great Wall's wall, beacon towers and watchtowers had been damaged or destroyed by the carelessness of men.
To preserve this architectural wonder and cultural heritage, many people suggest that China publicize the rich history of the Great Wall to the world and enact laws to protect it. Below are a number of steps that the Chinese government has taken and some suggestions for individuals to consider: