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The Great Wall was a military defense project in ancient China. A marvel in the history of world architecture. From the Yalu River in the east, Jiayuguan in the west, passing through Liaoning, Hebei, Tianjin, Beijing, Inner Mongolia, Shanxi, Shaanxi, Ningxia, Gansu 9 provinces, municipalities and autonomous regions, with different terrain, mountains and landforms and built, most of them are built in the highest part of the mountain range, with a total length of 7,300 kilometers (14,600 miles) or more, known as the Great Wall.

Among them, the section from the Yalu River to Shanhaiguan is relatively simple and the damage is more serious. Shanhaiguan to Jiayuguan section, the project is relatively solid, the preservation is also relatively complete, the two Guancheng at both ends face each other from east to west, the length is 6,700 kilometers (13,400 miles).

History The Great Wall was developed from single buildings such as beacon towers and Leh.

At first, it was built as beacon towers facing each other, or continuous defensive castles, and then connected them with city walls, and became the Great Wall. During the Spring and Autumn Period and the Warring States Period, the princes of the northern ethnic groups competed for hegemony and annexed each other, and several great powers such as Qin, Chu, Qi, Yan, Han, Zhao, and Wei appeared. In order to defend each other, they used the original embankment of the great river or the nearby mountains to build walls and fortresses section by section and link them to form the Great Wall, an ancient military defense engineering system.

But they are smaller and incoherent. Around the 7th century B.C., the Chu State was the first to build the Great Wall. Subsequently, from around the 4th century BC 6 BC, the countries of Qi, Yan, Zhao, Qin, Wei and Han also built the Great Wall of mutual defense.

In 221 B.C., Qin Shi Huang destroyed the Six Kingdoms, established the first multi-ethnic unified centralized feudal state, and built the Great Wall on a large scale to defend against the invasion of the Xiongnu. Later, the Western Han Dynasty, the Eastern Han Dynasty, the Northern Wei Dynasty, the Northern Qi Dynasty, the Northern Zhou Dynasty, the Sui Dynasty, the Liao Dynasty, the Jin Dynasty and the Ming Dynasty all built or added the Great Wall on a large scale. The Ming Dynasty was the last dynasty in the history of the construction of the Great Wall, and its construction scale was grand, the defense organization was complete, and the building materials used were solid, all of which greatly surpassed those of previous dynasties.

The majestic Great Wall of China, which traverses the top of the lofty mountains in northern China, has a total length of more than 6,700 kilometers and was built in the Spring and Autumn Period and the Warring States Period. It is a rare ancient military defense project in the history of human architecture, it is famous for its long history, vast engineering and majestic spirit, and is included in the "World Heritage List" by UNESCO and is known as the "Eighth Wonder of the World".

With the help of remote sensor technology, China** has announced a plan to re-measure the length of the Great Wall. The result? The recently officially declared length of the Great Wall is 7,300 kilometers.

Resources.

The Great Wall of QiBeacon, located in Qingdao CityHuangdao DistrictOn the seaside in the northeast of Yujiahe Village.

The entire beacon tower is made of gray granite stone. The beacon tower is 22 meters high, covers an area of 3,571 square meters, and is composed of three parts: the "square beacon shouting platform" that is about 12 meters wide and long and about 6 meters high, and the "beacon channel wall" that is 48 meters long by wide stone steps, and the "beacon tower passage wall" that is about 12 meters wide and about 6 meters high on both sides. The passage walls are lined with stacks.

The mouth and the square battlements on the top of the beacon tower constitute a castle fortress on the border of the ancient coastal defense.

The top of the beacon tower can be reached through the 3-meter-high arched gate hole and staircase to the second floor. From here to the southeast, you can see the surrounding Jiaozhou Bay.

Qingdao, Huangdao, Xuejiadao and the vast sea, ports and tidal flats surrounded by them. To the northwest, you can see Xiaozhu Mountain and Huangdao New Town. Take a break here, feel nostalgic for the past, sigh at the vicissitudes of life, don't feel comfortable. Standing on the beacon tower, looking at the sea in the east, the smoke is vast, and the heart is relaxed.

There are 1,510 enemy towers, 165 beacon towers, 41 horse faces, 141 castles, 31 passes, and 10 kiln sites on the Duanming Great Wall in Beijing.

Xinjiang, Gansu, Ningxia, Shaanxi, Inner Mongolia, Shanxi, Hebei, Beijing, Tianjin, Liaoning, Jilin, Heilongjiang, Henan, Shandong, Hubei, Hunan and other provinces, municipalities and autonomous regions in China have the remains of the ancient Great Wall and beacon towers.

The Great Wall is not just a single city wall, but a complete defense engineering system composed of various fortifications such as city walls, enemy towers, gates, dungeons, camps, guards, and beacon towers in the town city. This defense engineering system is commanded and controlled by military command systems at all levels.

There are N Zhenbei Terrace - the largest beacon tower of the ancient Great Wall Located on the top of the Red Mountain, 4 kilometers north of the city of Yulin City, Shaanxi Province. According to the danger, the throat of the north and south is controlled, such as the giant lock chokes the border pass, and it is one of the largest existing fortresses along the ancient Great Wall. The platform is square, with a total of 4 floors and a height of more than 30 meters.

The base is 82 meters long in the north, 76 meters in the south, 64 meters in the east and west, covering an area of 5,056 square meters. Each layer of the platform is covered with green bricks, and the bricks on the outside of the top of each layer are about 2 meters high, and the upper part of the battlement is provided with a lookout, and the battlements of each layer are connected all around. There is a ring of houses around the first floor, which was the barracks of the guards of the platform, and the pedestal still exists.

Immediately below Taipei, a small square brick city was built, the famous tribute city, which was the place where the Menghan ** received and negotiated and held the tribute ceremony. Zhenbei Terrace was built in 1607 (the 35th year of Wanli in the Ming Dynasty), belongs to the observation post of one of the defense systems of the Great Wall, is one of the fortresses in the middle of the Great Wall of the Ming Dynasty, the platform is square, four layers, masonry outside, covers an area of 5000 square meters. The first layer is 8 meters high, the second layer is 8 meters high, the third layer is high, the fourth layer is high, and the word "Xiang Ming" is inscribed in Taipei, which is written by Tu Zong, the governor of Wanli time.

Each layer of the platform has stone steps to climb, and the platform is in danger according to the mountain, towering and upright. Standing on the top of the north platform of the town, the blue sky, the Bicheng Reservoir, the Great Wall, the green forest belt and the thriving suburban construction style reflect each other, forming an incomparably gorgeous color picture. You look at the rippling blue waves of the Hongshixia Reservoir, and you look at the two miracles of the Yulin people fighting the heavens and the earth

Brilliant achievements in desert management - Sandy Botanical Garden and desert canals - Xisha Canal and Yudong Canal; You look at the desert Haizi scenery and the lush forest orchards; Look at the remains of the beacon tower of the Great Wall of Qin and the undulating loess hills, as well as the Hongshan City of the 16th century Han-Mongolian friendship ** - Yima City, Hongshi Gorge and Yulin Ancient City, what a magnificent picture! Zhenbeitai is one of the most grandiose and majestic buildings in the ruins of the Great Wall of the Ming Dynasty, one of the three wonders of the Great Wall (Shanhaiguan in the east, Zhenbeitai in the west, Jiayuguan in the west), and is known as "the first station in the world", which is the crystallization of the wisdom and strong perseverance of the ancient working people in our country.

Along the 50-kilometer Great Wall, more than 80 beacon towers were found, with an average distance of about 3 kilometers and no more than 5 kilometers at the farthest.

When we mention the Great Wall, we always think of its great history and magnificent views. Among them, the beacon tower is an important part of the ancient military defense system. So the question is, how many meters is the beacon tower of the Great Wall?

First of all, it needs to be made clear that the construction of the Great Wall beacon tower is not standardized, but designed and built according to local conditions and according to the terrain and needs. Therefore, the height, area and material of each beacon tower are different, and naturally there will be differences.

However, there are a few ways to get an idea of the approximate range. For example, in some tourism ** or tourist communities, many tourists have shared information about the beacon** they saw when they visited the Great Wall. According to their sharing, the current ** of the Great Wall beacon tower is about 2,000 yuan and 5,000 yuan.

Of course, this is only a general **range of the elders, and the specific ** needs to be specifically inquired according to different scenic spots, different seasons and different beacons. However, no matter what, the Great Wall beacon tower is an important historical and cultural heritage insight, which we should protect and cherish. If you have the opportunity to visit the Great Wall, you may want to spend more time exploring the beacon tower and experiencing the remarkable wisdom and ingenious design of ancient military defenses.

The Great Wall is one of China's calling cards, and one of the most iconic buildings is the beacon tower. So, how many beacons are there on the Great Wall? Let's find out.

First of all, we need to be clear that the Great Wall is a very long structure, it straddles the northern border of the old kingdom of China, so the number of beacon towers is also very large. According to statistics, there are hundreds of beacon towers on the Great Wall, and these beacon towers are spread throughout the Great Wall. Most of these beacons were built on ridges or in dangerous places, mainly to transmit signals and warnings.

Secondly, according to the geographical location and form of the Great Wall, we can divide the beacon tower into two types, one is the "pass beacon tower" and the other is the "border fortress beacon". The first type refers to the beacon towers on the gates or gates on the Great Wall, which are mainly used to monitor and prevent the enemy from crossing the border. The second refers to the beacon towers on the border of the Great Wall, which are mainly designed to prevent enemy attacks.

In addition to this, the beacons on the Great Wall have another important role, that is, they can carry information and materials. In ancient times, the beacon tower on the Great Wall was an important channel for the transmission of Chinese civilization and culture, and many books, cultural relics, and works of art were transmitted to all corners of the country through these beacon towers.

In general, the beacon tower on the Great Wall is a very large and important architectural complex, which is not only a historical heritage of China, but also an important symbol of the inheritance and development of Chinese culture. Although it is difficult to count the exact number, we can be sure that these beacons are an important business card of China, and they have always been the focus of the world's attention. <>

The Great Wall, that is to say, there are 10,000 miles, 5,000 kilometers of royal wheels, and the general Great Wall is 1,000 meters to set up a beacon tower, so it means that there are at least 5,000 or so beacon towers.

The nearest Ming Great Wall to us is probably more than 8,000 kilometers, which means that there are more than 8,000 beacon towers.

In fact, in the history of our country, there are the Great Wall of Qin, the Great Wall of Han, etc., with a total length of more than 20,000 kilometers in China. That is, theoretically there should be 20,000 beacons.

Of course, in fact, in different periods, the city walls are sometimes reused, and the beacon towers will be reused, so the beacon towers will be counted as 10,000 to 20,000.

Let's talk about a specific number.

There are 1,510 enemy platforms in Beijing Duanming Great Wall, 165 beacon bases, 41 horse faces, 141 castles, 31 passes, and 10 kiln sites.