BEIJING, Feb. 11 -- The State Cultural Relics Bureau has announced a plan to map out the nation's pride and symbol -- the Great Wall -- over the next four years, to accumulate scientific data to better protect the endangered relic, Beijing News reports. 　　

Considering that it was constructed for the purpose of keeping foreigners out of China, it's ironic that the Great Wall has become China's number one attraction for visitors from abroad.

From Shanhaiguan, northeast of Qinhuangdao City, Hebei Province in the east coast, the Great Wall rises and falls with the contours of the mountains westward, crossing nine provinces, municipalities and autonomous regions for 6,700 kilometers, to end at Jiayuguan, southwest of Jiayuguan City in Gans

The Shan Hai Guan Pass, located in the seaside city of Qinhuangdao, is the eastern end of the Great Wall. The Pass has just completed a year long renovation.

Located about eight kilometers (five miles) southeast of the Bakeshiying Township in Luanping County in Hebei Province, the Jinshanling Great Wall is the best preserved part of the Great Wall with many original features. It starts from the Wangjinglou Tower in the east and ends at Longyukou in the w

Located in Yanqing County, 1.24 miles away from the Badaling Great Wall, the Shuiguan Great Wall was built during the Ming Dynasty (1368 - 1644). It is the most complete and strongest section of the ten thousand li Great Wall and famous for its precipitous cliffs.

Lying in the Gubeikou Town northeast of Miyun County about 120 kilometers (75 miles) from Beijing, the Simatai Great Wall stretches about five kilometers (three miles) from the Wangjinglou Tower in the east and connects to the Jinshanling Great Wall in the west. It has 35 beacon towers. Constructed

The Great Wall is a symbol of Chinese civilization, and one of the wonders that the Chinese people have created. Badaling Great Wall, the most representative part, was promoted as a key national cultural relic, protected under the approval of the State Council in 1961. In 1988, it was enlisted in th

Juyongguan Pass, located 20 kilometers (12 miles) north of Changping County, about 60 kilometers (37 miles) from Beijing, is a renowned pass of the Great Wall of China. Enlisted in the World Heritage Directory in 1987, it is a national cultural protection unit.

Located in Huairou County about 45 miles from Beijing, Mutianyu Great Wall enjoys a long history and is part of the glorious culture of China. It connects Juyongguan Pass in the west and Gubeikou Great Wall in the east. The wall was first built in Northern Qi Dynasty (550 - 557). In Ming Dynasty (13