The Great Wall was first built during the War States Period (475-221 BC) in various sections so that China might defend itself from northern invasions.
It has been added on and added on and added on......since.
It is generally considered to be about 6,000km (3,720 miles) long. It's the about that bugs people.
Continue reading...
How Long Is the Great Wall of China? - Really
登录后才可评论.
