The history of the construction of the Great Wall can be traced back to the Western Zhou Dynasty, from which the famous allusion "Beacon Fire Opera", which took place in the capital, Haojing (now Xi'an, Shaanxi), originated. During the Spring and Autumn Period and the Warring States Period, all countries fought for hegemony and defended each other. The construction of the Great Wall reached its first climax, but at this time, the length of the construction was relatively short. After Qin exterminated the six countries and unified the world, the First Emperor of Qin connected and repaired the Great Wall of the Warring States Period, which was called the Great Wall The Ming Dynasty was the last dynasty to overhaul the Great Wall. Most of the Great Wall people saw was built at this time
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