The Great Wall of China is spectacular in terms of its extent—it stretches over 21,000 kilometers or greater than 12,000 miles—but also in the length of its construction. The series of walls was built ...

Did you know the Great Wall of China is over 21,000 kilometers long? It’s about three times longer than we thought. This shows the wall’s history is complex, not just one structure. It’s a vast system ...

Archaeologists in China have discovered a 2,800-year-old fortified wall that predates the country's first emperor. The wall, which runs through a narrow mountain pass in the eastern province of ...