What is the length of the Great Wall
As one of the greatest military defense projects in ancient China, the length of the Great Wall has always been the focus of people's attention. In recent years, with the advancement of archaeological technology and the updating of measurement methods, data on the length of the Great Wall have been constantly adjusted. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the length of the Great Wall and the stories behind it.
1. Official data on the length of the Great Wall
According to the latest measurement data from the State Administration of Cultural Heritage of China, the total length of the Great Wall is 21,196.18 kilometers. This data includes sections of the Great Wall built in various historical periods, covering the Warring States, Qin, Han, Ming and other dynasties.
| dynasty | Length (km) | Proportion |
|---|---|---|
| Warring States Period | about 2,000 | 9.4% |
| Qin Dynasty | about 5,000 | 23.6% |
| Han Dynasty | about 6,000 | 28.3% |
| Ming Dynasty | about 8,000 | 37.7% |
| other periods | About 196.18 | 1.0% |
2. How to measure the length of the Great Wall
Measuring the length of the Great Wall is a complex process involving a variety of technical means:
1.Remote sensing technology:Through high-resolution images taken by satellites and drones, the direction and remaining parts of the Great Wall can be identified.
2.Ground investigation:Archaeologists and surveyors conduct on-site inspections to record the direction and preservation status of each section of the Great Wall.
3.3D modeling:Using laser scanning and photogrammetry technology, we established a three-dimensional model of the Great Wall and accurately calculated its length.
4.Historical documents:Combined with ancient literature records, the construction history and distribution range of the Great Wall were confirmed.
3. Common misunderstandings about the length of the Great Wall
1.Misunderstanding 1: The Great Wall is only the Ming Dynasty Great Wall
Many people think that the Great Wall refers to the Great Wall. In fact, the Great Wall includes sections built by multiple dynasties. The Great Wall of the Ming Dynasty is only the best-preserved and most famous section.
2.Misunderstanding 2: The Great Wall is a continuous wall
The Great Wall is not a continuous wall, but a complex system composed of various defense facilities such as city walls, passes, beacon towers, and castles. Some passages are natural barriers, such as mountains and rivers.
3.Myth 3: The Great Wall can be seen from space
This is a rumor that has been circulating for a long time. The Great Wall cannot be seen with the naked eye from space, and requires the use of high-powered telescopes or satellite images to identify it.
4. Current status of Great Wall protection
In recent years, the protection of the Great Wall has received widespread attention. The following is the current conservation status of each section of the Great Wall:
| paragraph | Preservation status | protection level |
|---|---|---|
| Badaling Great Wall | intact | world cultural heritage |
| Mutianyu Great Wall | better | National key cultural relics protection unit |
| Jiankou Great Wall | damaged | Under repair |
| Han Dynasty Great Wall Ruins | Severely damaged | urgently need protection |
5. Great Wall tourist hotspots
According to tourism data from the past 10 days, the following sections of the Great Wall are the most popular tourist destinations:
1.Badaling Great Wall:It receives the largest number of tourists and has the most complete facilities.
2.Mutianyu Great Wall:It is famous for its beautiful natural scenery and is suitable for taking pictures.
3.Jinshanling Great Wall:It retains its original features and is very popular among hiking enthusiasts.
4.Simatai Great Wall:It is famous for its steepness and its night tours are highly recommended.
6. Future Prospects of the Great Wall
With the development of science and technology, the protection and utilization of the Great Wall will enter a new stage:
1.Digital protection:Through three-dimensional scanning and virtual reality technology, a digital archive of the Great Wall is established.
2.Intelligent monitoring:Utilize IoT technology to monitor the structural safety of the Great Wall in real time.
3.Cultural creativity:Develop Great Wall-themed cultural and creative products to spread Great Wall culture.
4.Ecological restoration:Carry out vegetation restoration around the Great Wall to improve the ecological environment.
The Great Wall is not only a symbol of China, but also a common cultural heritage of all mankind. Understanding the true length of the Great Wall helps us better understand the historical value and practical significance of this great project.
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