An extra piece was discarded, causing the whole city to have to be rebuilt, the reason why everyone must be “frightened”.

The Great Wall is one of the greatest structures in China, built with the purpose of protecting China from threats from the Xiongnu, Mongols, and other northern nomadic tribes. This wonder has a length of more than 8,000 km including man-made walls and natural moats/barricades. More than 2,000 years later, the Great Wall of China […]