China Great Wall Facts: 25 Interesting Things You didn't Know

Some fun facts on China Great Wall: 1,3170.7mi long, half of the Equator; average height of 25.6ft; 2,700-year-old; 50 million visitors reach it annually…

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22 Great Wall of China Facts that you didn't know - Swedish Nomad

45 Interesting Great Wall of China Facts for Kids