【文章內(nèi)容簡介】
ars, the spring and autumn period and the warring states period, the warring states to mutual defense, has built the Great Wall in the dangerous place. According to records zuozhuan: in 656 BC, chu mahjong layout is about the earliest record of the Great Wall. Out the six nations after the unification of China, qin to defense the north south invasion of the huns, in 224 BC, the qin, zhao and yan in The Three Kingdoms of the north Great Wall, rehung, coherent rise. Some west about (now min county, gansu province) north mountain, east to liaodong, which is monly known as the Great Wall, still remains. Since then, the han, the northern wei dynasty, their, beiqi, sui dynasties had built the Great Wall. The position In Ming dynasty, in order to defense the invasion of alien, built the Great Wall before and after 18 times, total length of 6700 km, east of shanhaiguan, west to jiayuguan, today we visit this section of the Great Wall is built in the Ming dynasty, is located in the badaling. Now we have arrived at the foot of badaling. Tourists friends, please look up at the Great Wall: it is like a hug