Jiaoshan Great Wall
Jiaoshan is a famous part of Yanshan Mountain, the highest peak in the northern mountains of Guancheng, Shanhaiguan Pass. The mountain has huge rocks on the top like the horn of dragon, and it got the name Jiaoshan (the horn mountain). JIaoshan Great Wall was built in Hongwu period Ming dynasty. The average height of the wall is 7-10 meters and 4-5 meters wide. The narrowest part is only 2.7 meters wide. The whole section is famous for its steepness.
