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China is famous for the Great Wall. It was over 2, 000 years ago. It stands as one of the greatest of the world and it's the great pride of China.
The Great Wall of China is about 13, 171 miles long and passes about ten Chinese provinces. At first, it was built to keep out the invading (入侵的) Mongols and other tribes (部落) from the north. As time goes by, less than half of it standing now. of visitors climb up the wall every year.
400 world leaders the Great Wall in the past decades (十年), including Queen Elizabeth Ⅱ, Margaret Thatcher, Nelson Mandela and former US presidents Richard Nixon, Ronald Reagan and George W. Bush.
Many people that the Great Wall of China is the only object that can be seen from space. In fact, NASA (美国国家航空航天局) says that the wall very difficult to see from space, even under good conditions.
