Unknown Facts About Great Wall Of China | China Wall | With CC | Planet Leaf

Unknown Facts About Great Wall Of China. Keep Follow Us For More Interesting Videos. The Great Wall of China is the longest man-made structure in the world. Traversing northern part of the country, what was a huge military line of defense in the past has now become a unique world heritage site and a symbol of China. The following vital statistics and facts reveal a Great Wall hither to unknown to you.