In ancient times, there were a pair of swallows nesting in the Rouyuan Gate of Jiayuguan. One morning, two swallows passed through the customs. At dusk, the female swallows flew back first. When the male swallow came back, the door was closed and he couldn't get in. As a result, the female Yan was heartbroken and made a "chirp" sound from time to time, crying and dying. After his death, his spirit lingered. Whenever someone hit the wall with a stone, he made a "chirp" to tell people.

In ancient times, people thought it was auspicious to hear the sound of Yan Ming in Jiayuguan. When the general went to war, his wife knocked on the wall to pray. Later, before going out, the soldiers took their children to pray in the corner, which formed a custom.

2. Meng Jiangnv is crying at the Great Wall.

In the Qin Dynasty, there was a strange girl named Meng Jiangnv. Her husband's name is Fan Xiliang. The two have deep feelings, but on the wedding day. Adults broke into houses and took Fan Xiliang to the Great Wall as a coolie. Meng Jiangnv was sad and angry, thinking of her husband day and night. Finally, I decided to go to the Great Wall to find my husband. Despite the difficulties and obstacles along the way, she came to the Great Wall with firm belief and deep affection for her husband. At this time, the Great Wall was already a long wall, and Meng Jiangnv looked everywhere, but her husband was never seen. So I asked someone but learned that my husband was dead and even the body was buried under the Great Wall.

Meng Jiangnv was very sad and cried for three days and nights, which touched the whole world. It's getting dark and the wind is getting stronger and stronger. With a bang, a section of the Great Wall fell down. This is Fan Xiliang's body.

3. The legend of Dingcheng Brick

Dingcheng Brick refers to a brick placed on the back eaves of the West Wengcheng gatehouse in Jiayuguan. According to legend, during the Ming Dynasty, there was a customs repairman named Yi who was proficient in the 99 algorithm. As long as all the buildings are calculated by him, the materials used for labor are very accurate and economical. The supervisor who supervised customs clearance asked him to count the number of bricks used in Jiayuguan. After detailed calculation, Yi Zhankai said, "Ninety-nine thousand nine hundred and ninety-nine bricks are needed."

The supervisor handed the bricks as told, saying, "If there is one more, there is one less. Cut off your head and punish the craftsman for three years." After the completion, only one brick was left, which was placed on the back eaves of the West Wengcheng gatehouse.

The supervisor was overjoyed when he learned that he wanted to deduct the wages of Iraq and all craftsmen. Yi said unhurriedly, "that brick was put by the gods and is a fixed city brick." If it is moved, the tower will collapse. " The supervisor listened and dared not pursue it again. Since then, this brick has been put in place, and no one dares to move it. Now, this brick still remains on Jiayuguan Tower.

Sideband development

From the Qin and Han Dynasties to the Ming and Qing Dynasties, many passes along the Great Wall became places or centers for ethnic transactions in the two major economic and cultural systems of agriculture and animal husbandry, and some gradually developed into important towns along the Great Wall. The Great Wall not only ensures the normal development of agricultural economy, culture and animal husbandry economy and culture, but also provides a place and convenience for their exchange and complementarity. It also plays an important role in mediating the two economies and making the agriculture and animal husbandry economy develop in the direction of mutual assistance.

Therefore, the Great Wall not only plays the role of isolating the two economies and cultures, but also shoulders the heavy responsibility of closely linking the two economies and cultures.

During the Qin and Han Dynasties, there were nearly ten million soldiers and civilians. While building the Great Wall, Qin Shihuang began to strengthen the development and construction of border areas, which opened the prelude to stationing farmland to defend the border and developing the border areas.

Because it took a long time to build the Great Wall in the Han Dynasty, many people put forward suggestions on immigration, which were adopted and implemented by the Han government. Immigrants and soldiers guarding the Great Wall cultivated wasteland together, which not only accelerated the economic development of the border region, saved a lot of government military expenditure, but also greatly reduced the pain of long-distance transportation and made Chinese culture spread farther and wider.