"my country's National Treasure" Unique Chinese Culture PPT Courseware

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"my country's National Treasure" Unique Chinese Culture PPT Courseware

discuss:

1. Which provinces, cities and autonomous regions does the Great Wall span?

2. Each brick of the Great Wall weighs fifty kilograms. How did people transport so many bricks up such a high mountain?

3. Why is the Great Wall built on a high mountain?

4. Why is the top of the Great Wall wall concave and convex, instead of being flat like other city walls?

Tell me based on the information you found:

1. Which provinces, cities and autonomous regions does the Great Wall span?

If the total length of the Great Wall built in all eras is totaled, it is more than 50,000 kilometers. The ruins of these Great Walls are distributed in more than 10 provinces, cities and autonomous regions in my country today, including Beijing, Gansu, Ningxia, Shaanxi, Shanxi, Inner Mongolia, Hebei, Xinjiang, Tianjin, Liaoning, Heilongjiang, Henan, Hubei, Hunan and Shandong.

2. Each brick of the Great Wall weighs fifty kilograms. How did people transport so many bricks up such a high mountain?

In addition to manpower and animal power, people also learned to use simple machines, such as handcarts, to transport thousands of kilograms of boulders up the mountain in steeper and more dangerous places. They also used rolling logs and crowbars, and placed winch handles on the mountain. Huge boulders were twisted up the ridge.

3. Why is the Great Wall built on a high mountain?

In order to occupy a more favorable terrain for defense in the war, the Great Wall was built on high mountains, and the ridges and peaks were used as the city as much as possible so that the Huns cavalry could not cross.

4. Why is the top of the Great Wall wall concave and convex, instead of being flat like other city walls?

Incident in which excavators destroyed the earthwork of the Great Wall ruins on a large scale

At the site of the destroyed Great Wall ruins, it was seen that after an excavator dug up a section of nearly 100 meters of the Great Wall, part of the rammed wall of the Great Wall collapsed. The ruins of the destroyed Ming Dynasty Great Wall are located in Xinxing Village, Dongyuan Town, Zhongwei City, Ningxia. It is a section of the east-west Great Wall that runs from Gansu into Zhongwei City, Ningxia.

According to a Great Wall resource survey, there are more than 600 kilometers of visible walls of the Ming Dynasty Great Wall in Ningxia. There are more than 500 enemy towers and more than 200 beacon towers on the Great Wall. However, due to natural and man-made destruction, the preservation status of the existing Great Wall ruins is worrying, and protection measures are urgently needed.

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Update Time: 2024-09-30

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