Shuiguan great wall
1 min readShui Guan（Water Pass），which was first built in the Ming Dynasty（1368-1644），was an indispensable part of the defense system of BadalingGreat 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 stret-ches about one thousand meters（0.62 miles）.It also has seven enemy towers and an arrow tower which is 15 meters（50 feet）in height and 12meters（40 feet）in width.Looking out from the arrow tower，you can imagine an ancient battle fields and see the importance of the wallas a de-fence against invaders.
