Today we will visit the city wall, the bell tower and the drum tower. It's my pleasure to serve you.

　　The ancient castle we now see is the Ming xi 'an city wall, which was built on the foundation of the imperial city of tangan in the early Ming dynasty. It is one of the most famous cities in the late middle ages of China, and it is the largest and most complete defense facility of ancient military castles in the world.

　　Xi 'an, as the ancient capital of the millennium, has built the wall many times in the past. Most of them are buried by the dust of history. The walls we see now go back to the sui dynasty. In 1369, the Ming dynasty moved xu da from shanxi to shaanxi, and changed the original fengtian road to xi 'an, meaning "western lasting peace and stability". It was the prelude to the construction of the wall in xi 'an. The eight - year - old wall shape is a rectangle. The wall is 15 meters high, 12 to 14 meters wide, 16 to 18 meters wide and 13.9 kilometers in circumference. The bottom layer is mixed with lime and glutinous rice juice. After drying, it is exceptionally strong.

　　The ancient city wall of xi 'an includes a series of military installations including moat, suspension bridge, gate building, archery building, zhenglou, tower, enemy building, parapet and crenel. Well, now let's feel the scientific, rigorous and complete military defense system in person.

　　The periphery of the wall is the moat, also known as the moat, which is the first line of defense of the wall. It can block an enemy's attack, or even take advantage of the terrain to destroy the enemy. The moat around the city wall of xi 'an is 20 meters wide, and the gate is crossed over the moat, and the only access to the moat and the gate is the drawbridge. At ordinary times, the soldiers in the city of the city listened to the commander of the morning bell, lowered the drawbridge in the morning and opened the city gates. Hoist the bridge at night and cut off traffic. Once a war has occurred, the drawbridge rises, the gates are closed, and the gates become fortified and enclosed fighting fortresses.

　　The city gate is the focal point of the city defense system, also is the weak spot. At ordinary times, it is a passageway to and from the city. In war, it is also the primary goal of defending the two sides. Therefore, the Ming dynasty attached great importance to improving the city gate defense facilities. One of the most notable technological breakthroughs is the use of the arch gate to prevent enemy fire. Ming xian city gate is very solid, door leaf with 16 cm thick boards, a fan gate 2.8 cubic meters with wood, door leaf horizontal turn up and down the iron bar reinforcement, the interval o

f each two bars, 180 iron needle mushrooms nails. There are 1,800 iron mushroom needles on the door. This compels the wood of the door, increasing the rigidity of the door, so that the arrow can't be shot in.

　　In order to improve the insurance coefficient of the city gate defense, the gate is actually made up of three parts, namely, gate building, archway and main building. The gate tower is the most outside, its function is the lift suspension bridge. It's used to make more. The enemy entered the gate of the gate, as if entering the urn, and would be attacked from all sides, so this space downstairs is also called "wengcheng". The archery is in the middle, with Windows on both sides, for archery. The wall between the archery and the archery is also called "weng city

ell tower in the center of the city as the command center. At ordinary times, with the morning clock, the time of the report, the time to open and close the suspension bridge, the emergency condition is used to alert the police, command the city defense. This rigorous urban defense system reached its peak in the Ming dynasty. Xi 'an is a military and political town in the northwest of the Ming dynasty. Its bell tower and drum tower are the most similar buildings in the country, regardless of its size, historical value or artistic value.

　　What we see now is the bell tower, the building is located in xi 'an, north and south, east and west four street interchange, it was built in Ming hongwu seventeen years, the original is located in the west street meet auspicious view, with the shift in the centre of the city, in the Ming wanli decade, god will tower to a whole demolition, moved to address today.

　　The bell tower is typical of the Ming dynasty architectural style, the building is 36 meters high, the heavy eaves and arch, magnificent and solemn. It consists of a base, a building and a roof. The base is square, all made of blue bricks. The building, as a square wooden structure, is surrounded by a cloister, which is a two-story building with wooden ladders circling overhead. Inside and below the building inside two floors square hall, display the Ming dynasty since the Ming dynasty all kinds of precious porcelain and red nanmu furniture, all around the door is full of relief painting, the style is simple and vivid. The top of the building is a four-corner structure, covered with a green glazed tile, the top of the dome is 5 meters high, glittering and brilliant.

　　On the northwest corner of the bell tower is a Ming dynasty iron bell, weighing 5 tons. It is much smaller than the bronze bell that hung from the clock tower. The clock tower, which was originally hung, was a "jingyun bell" cast during the tang dynasty. Now the clock is in xi 'an stele forest. It is said that, although the style of the tower has not changed since it was moved to the present site, the jingyun bell is not going to sound. There is no alternative but to change. In order to move the jingyun clock to the new clock tower, an inclined bridge was built on the west side of the west street, and the jingyun clock was transported to the bell tower using the ramp. It is said that the "bridge" also got its name.

　　On the west wall of the clock tower, there are "bell tower song" and "bell tower" inscription. "Zhong Lou ge" is the shaanxi governor who built the bell tower in the same year. In the poem, the bell tower was praised enthusiastically. "The bell tower" is the governor of the bell tower, detailed description of the clock tower. On the door of the bell tower, there are stories of carved wooden relief, including magnolia from the army, the moon and the moon, the book of liu yi, the sea of eight, and so on. After the founding of the People's Republi

c of China, the people's government of xi 'an made three major repairs to the clock tower, which restored the ancient architecture to its former glory.

　　Compared with the bell tower, it is the drum tower. The entrance of the building is south to north, north to north gate and south west street. The drum tower was built in Ming hongwu for 13 years, and the bell tower is the sister building. On the north side of the drum tower, there is a huge drum, and the morning bell on the bell tower is known as the drum tower. The building is rectangular, with a height and width of 6 meters and a depth of 38 meters. The drum tower is a heavy eaves, glazed tile roof, heavy eaves and three drops of water. The building is divided into two layers. Under the eaves of the north and south, there was a plaque, which was written by emperor qianlong of the qing dynasty: "wenwu shengdi下载本文