@kaaen__1: The Great Wall of China is one of the greatest engineering wonders in human history, and here's a condensed summary of it: - * * The purpose of its construction: * * It was built mainly as a defensive fortress to protect the northern borders of the Chinese Empire from the invasions of nomadic tribes such as the Mongols. - * * Construction Date: * * It was not built in one go but took more than 2,000 years. The first attempts began in the 3rd century BC, and lasted until the Ming Dynasty (1368-1644 AD). - * * Length: * * Extends across rugged mountainous terrain with a total length of about 21,196 kilometers, inserting all newly measured walls and branches. - * * Cultural significance: * * Designated as one of the New Seven Wonders of the World, it is inscribed on the UNESCO World Heritage List and today is the most prominent national symbol of China. The fence lives at the heart of tourism, attracting millions of tourists annually. It is often said that the fence is the only structure that can be seen from space with the naked eye, but NASA confirmed that this is not true, as it is difficult to see without magnification due to its thinness and fusion with the colors of nature surrounding it. #xybca #viral #trending #اقتباسات #fyp

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Saturday 01 August 2026 13:28:20 GMT