The origin of Zhengyangmen?

Zhengyangmen is located on the north-south axis of Beijing, at the southern edge of Tiananmen Square and at the northern end of Qianmen Street, with existing towers and arrow towers.

Zhengyangmen, commonly known as Qianmen, has a history of more than 500 years. Kublai Khan of Yuan Shizu built Dadoucheng, the predecessor of today's Beijing City, 30 miles northeast of Jinzhong City. Sixty miles around the city, there is 1 1 gate, and the main entrance of Li is the south gate. Judy moved to Beijing after the Ming Dynasty destroyed the Yuan Dynasty. In the 17th year of Yongle (14 19), the south wall of Yuan Dadu moved 0.8 km to the south, while Li Zhengmen moved to Zhengyangmen, which was still called Li Zhengmen at that time, and was renamed Zhengyangmen in the first year of orthodoxy (1436). In the fourth year of orthodoxy (1439), in order to strengthen the defense ability of the capital, the Arrow Tower was built outside the city gate of the capital, and the Zhengyangmen Arrow Tower was built at this time. There used to be a huge urn between the watchtower and the watchtower, which was108m long from north to south and 88.6m wide from east to west. Wengcheng has a door in every direction, all of which are arch-voucher doorways. In the third year of the Republic of China (19 14), in order to improve the traffic conditions between the inner and outer cities, it was rebuilt into what we see today.

Zhengyangmen Gate Tower covers an area of 3,047 square meters and is located on a brick platform with a wall of 1.2 meters along the north and south edge of the city. The gatehouse is a structure with gray tiles and green glass edges, with three drops of water on the double eaves; There are doors upstairs and downstairs on all sides, seven wide and three deep, with cloisters up and down; The building is 36.7m wide,16.5m deep and 27.3m high. The whole tower is 42 meters high, which is the highest among all the gates in Beijing. The Arrow Tower covers an area of 2 1.47 square meters and is a brick-based building. The roof is edged with gray tiles and green glass, and the top of the mountain rests on the double eaves; * * * Four floors up and down, South Building and North Building; Seven rooms on the south side, 62m wide and12m deep; The tower is 26 meters high and the Lotus Tower is 38 meters high, which is the highest among all the embrasured towers in Beijing.

Zhengyangmen archway has always been regarded as a symbol of old Beijing. June 1990, June 65438+1October 2 1 was opened to the public, and all four floors were turned into exhibition halls with an exhibition area of1200m2. The gatehouse was first opened to the public on June 29th, 199 1. The first floor is the exhibition "Beijing in History", which mainly shows the historical customs of Beijing.