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The Great Wall of China

One of the world’s most recognizable architectural wonders is the Great Wall of China. This enormous structure stretches over 13,000 miles across China’s northern border, serving as a symbol of China’s history and power.

The Great Wall was constructed over a period of 2,000 years, beginning in the 7th century BC. It was built to protect China from invasion by its neighbors, and its sheer size and complexity make it an architectural masterpiece.