齐长城是世界文化遗产“中国长城”的重要组成部分,修筑于春秋战国时期,是我国现存有准确遗迹可考、保存状况较好、年代最早的古代长城,东西贯穿济南、泰安、莱芜、淄博、潍坊、临沂、日照、青岛8市17个县(市、区),全长640多公里,是由墙体、关隘、城堡、兵营和烽燧等共同组成的军事防御系统。 Built in the Spring and Autumn and Warring States Periods, Qi Great Wall is an important part of the world cultural heritage “Great Wall of China”. It was built in the Spring and Autumn Period and the Warring States Period. It is an ancient ancient wall that can be tested and preserved in China with accurate relics, and earliest preserved in Jinan. Tai’an and Laiwu Zibo, Weifang, Linyi, Rizhao and Qingdao have 17 counties (cities and districts) in 8 cities. They are over 640 kilometers in length and comprise a military defense system composed of walls, passports, castles, barracks and Fengsui.