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同学们,我们知道万里长城东起山海关,西到嘉峪关,绵延数万里,是我国古代第一军事工程。位于河北省秦皇岛市东北的山海关,则是万里长城入海处的重要关口,素有“天下第一关”的美称。山海雄城山海关是一座雄城,又被称为榆关,它与万里之外的嘉峪关遥相呼应,闻名天下。据说六百多年前,明朝皇帝朱元璋派元帅徐达和军师刘伯温花了一年多的时间才建好山海关。山海关的关城周长约4千米,与长城相连,以城为关,城高14米,厚7米,有4座主
Students, we know that the Great Wall east of Shanhaiguan, Jiayuguan west, stretches tens of thousands of miles, is the first military project in ancient China. Located in the northeast of Qinhuangdao City, Hebei Province Shanhaiguan, is the Great Wall into the sea an important gateway, known as “the best in the world off,” the reputation. Shanhaigou Xiongcheng Shanhaiguan is a male city, also known as Yu Guan, Jiayuguan miles away from it echoes, known world. It is said that more than 600 years ago, the Ming emperor Zhu Yuanzhang sent Marshal Xu Da and military strategist Liu Bowen spent more than a year before building the Shanhaiguan Pass. Shanhaiguan Guancheng circumference of about 4 km, connected with the Great Wall, the city is off, the city 14 meters high, 7 meters thick, with 4 main