Google Facts™ [ ️@googlefactss🌎]
@googlefactss · Post #40618 · 2026/02/02 (15:02)
The Great Wall of China is not a single wall but rather a series of fortifications built across northern China to protect against invasions and raids, mainly from nomadic groups. Construction started as early as the 7th century BC, with major building during the Ming Dynasty (14th–17th centuries). Stretching over 21,000 kilometers (about 13,000 miles), it’s one of the most iconic symbols of China’s history and engineering. 🏯🛡️ [Read more] @googlefactss #GreatWall#China#History#EngineeringMarvel