Shuiguan great wall
水关长城
Shui Guan (Water Pass), which was first built in the Ming Dynasty (1368-1644), was an indispensable part of the defense system of Badaling Great Wall. The pass mainly functioned to defend against invaders by the force of torrential water flowing through between the two mountains. It is one of the best preserved sections of the Great Wall of China, which stretches about one thousand meters (0. 62 miles).
水关,初建于明朝(1368 - 1644),是八达岭长城防御系统不可或缺的一部分。水关主要是凭借两山间急流水的力量，抵御入侵者。它是中国的长城保存最好的地区之一,长约一千米(0.62英里)。
It also has seven enemy towers and an arrow tower which is 15 meters (50 feet) in height and 12 meters (40 feet) in width. Looking out from the arrow tower, you can imagine an ancient battle fields and see the importance of the wall as a defence against invaders.
它有七个敌塔和一个高15米(50英尺)、宽12米(40英尺)的箭塔。从箭塔远望,你可以想象一个古老的战场,看到城墙防御侵略者的重要性。