北京:元上城遗址,东南域角角楼,北京地下铁道,关沟七十二景

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袁尚成遗址

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它位于北京以北3公里处,横跨海淀和朝阳。它是元朝首都留下的北城墙(包括西墙的北端)的残余。最高点约6米,基地宽约15米,长约12公里。金佑有三年(1215年),蒙古骑兵占领了首都,城市被火烧毁。元至元三年(266年),祖先放弃了中央部分,决定以琼花岛为中心,规划一个新的首都。第二年开始施工,并在前九年正式命名。后来,屯门和寺庙的寺庙,社会教派和其他官方办公室相继建成,龙凤宫(皇太后宫)建在太极池西岸。首都在第21年完成。 1308年,兴盛宫(皇宫正宫)建于龙府宫。元朝的基本面是在祖先时期建立的。南城墙位于今天长安街东西的南侧。东西城墙与明清内城的东西墙不谋而合。北城墙和西墙北段是元渡城遗址。大城市四面有11个门(北边两个,另一个三个)。城市的角落有四个角落,城墙建在木筏上。它占地50平方公里,周长28.6公里。这个城市很大,建筑很漂亮。那时它已经很有名了。明洪武元年(1368年),重建元朝都城,北城墙缩入城市3公里。在永乐十四年(1416年),大都会宫被拆除,故宫新宫被重建。

东南角落角落

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On the south side of Beijing Jianguomen, southeast of Beijing Railway Station. The area spans the three districts of Dongcheng, Chongwen and Chaoyang. The defensive buildings at the southeast corner of the inner city of Beijing in the Ming and Qing dynasties. When the Beijing city was built in the early Ming Dynasty, a turret was built in each of the four cities in the inner city (the other three turrets did not exist). The floor of the building was rectangular and protruded from the corner of the city wall. The gray-cylinder green trimming edge rests on the top of the mountain. The intersection of the ridges at the corner is decorated with a treasure roof. The inner raft is laid on the third floor of the slab, and the wooden stairs are connected. The building is built on the masonry platform, with one door on the inside and the northwest side, leading to the top of the wall. There are 144 front windows (perforations) on the outer two sides and four walls. It is the only remaining turret in the old city of Beijing.

Beijing Underground Railway

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It was built in 1965. U69 was officially opened to traffic in July. Crossing Beijing City things. From Beijing Railway Station in the east, along the west wall of the ancient city wall, through the front door, out of Fuxingmen, through the Mudu River, Bubao Babao Mountain, around Cuiwei Mountain, directly to the apple orchard in Shijingshan, with a working mileage of 24 kilometers. There are 16 stations in the whole process, which are composed of the ground station hall and the underground station hall. They are all paved with marble, elegant and generous. Each underground station building is unique. The underground railway runs electric locomotives with dual-track operation and a top speed of 80 kilometers per hour. Air conditioners and ventilation are installed in the cabin.

Seventy-two scenes of Guangou

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On both sides of the 20-km ravine between the south exit of Changping District in Beijing and Badaling in Yanqing District. In the area of Guangou, there are two mountain screens, one water runoff. The North Soul Road Yuan《水经注》said that "the mountains are deep, the side roads are narrow, the forests are dangerous, the roads are the orbits, the birds and the beasts, the colds and the sorrows, the eunuchs wandering, the listeners are not sad. ". After the tenth century, Guangou became the main thoroughfare of the Jingshi to the outside of the Sai, and the camel came on. People put the names of the mountains and rivers into 72 scenes, some of which are true portraits, others are legendary, and the names are different, and the addresses are unclear.

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