帮我写一篇介绍中国长城的英语作文

The Great Wall of China-中国的长城

The Great Wall of China

The Great Wall of China is called the "Ten-thousand-Ii Great Wall" in Chinese.In fact, it's more than 6000 kilometres long. It winds its way from west to east, across deserts, over mountains, through valleys till at last it reaches the sea. It is one of the wonders of the world.

The Great Wall has a history of over twenty centuries.The first part of it was built during the Spring and Autumn Period. During the Warring States Period, more walls were put up to defend the borders of the different kingdoms. It was during the Qin Dynasty that the kingdom of Qin united the different parts into one empire. To keep the enemy out of his empire, Emperor Qin Shi Huang had all the walls joined up.Thus, the Great Wall came into being.

The Great Wall is wide enough at the top for five horses or ten men to walk side by side. Along the wall are watchtow-ers, where soldiers used to keep