There is a long, stretching wall in China called the Great Wall, chang cheng.

在中国有一道长长的城墙，它的名字叫长城,5Dfn=)c%7XjKjj!tjc。

With a length of more than 5,000 kilometers, chang cheng was built continuously over more than 2,000 years by Chinese people.

长城长一万多里，是中国人用了两千多年时间陆续建造的d!JOULQ#eqTcvds。

The watchtowers would be lit up by torches if a watchman spotted an enemy invasion.

古时，若有敌人进攻，烽火台会立即燃烧烟火，

Messages could be passed to the military centre from on Watchtower to another.

敌情便随着烟火一站站传向军事中心9h%+oId(@wQcP#P#L。

Chang cheng was expected to protect national peace.

中国古代修建长城是期望国家和平，

Constructing chang cheng would guard our own territory and we won't infringe on other people's territory.

修起一道道长长的 城墙来守卫自家的土地，自己也不去侵犯别人的领地yl~56=vZ8~_。

It is not only a brick wall, but also one of the world's greatest historical architectural works.

长城它不仅仅是一道城墙，也是世界建筑的奇迹y1Rj-|!8%KDBW0。