长城是人类历究上持续修筑时间最久的建筑工程。它的修建，历经春秋、战国秦

The Great Wall is the longest construction project in human history. Its construction has gone through more than 10 dynasties including Spring and Autumn, Warring States Qin, Han, Northern Wei, Eastern Wei, Northern Qi, Northern Zhou, Sui, Tang, Liao, Jin and Ming dynasties, lasting for nearly 2000 years. <br>The length of the Great Wall built by the Qin, Han, and Ming dynasties all exceeded 10,000 li.

The Great Wall is the longest construction project in human history. Its construction, through the spring and autumn, the Warring States Qin, Han, North Wei, East Wei, Beiqi, North Zhou, Yao, Tang, Liao, Jin and Ming Dynasty, such as more than 10 dynasties, lasting nearly 2000 years. <br>Among them, Qin, Han and Ming Dynasties built the length of the Great Wall is more than 10,000 miles.

The Great Wall is the longest lasting construction project in human history. Its construction lasted nearly 2000 years in more than 10 dynasties, including the spring and Autumn period, the Warring States period, the Qin Dynasty, the Han Dynasty, the Northern Wei Dynasty, the Eastern Wei Dynasty, the Northern Qi Dynasty, the Northern Zhou Dynasty, the Sui Dynasty, the Tang Dynasty, the Liao Dynasty, the Jin Dynasty and the Ming Dynasty.<br>The length of the Great Wall built in the Qin, Han and Ming Dynasties exceeded 10000 Li.<br>