The Great Wall of China: A Journey Through Ancient History | 中国长城：穿越古代历史之旅

The Great Wall of China is a vast series of ancient walls, fortifications, and watchtowers built across northern China to protect Chinese states and empires from invasions. It was constructed and expanded over many centuries, especially during the Ming Dynasty (1368–1644). It is one of the world's most famous historical landmarks and represents ancient engineering, military strategy, and Chinese civilization. Chinese Definition: 中国长城（Zhōngguó Chángchéng） 中国长城是中国古代修建的一系列防御工程，由城墙、关隘、烽火台等组成，主要用于抵御北方民族入侵。长城经过多个朝代修建和扩展，其中明朝时期的长城最为著名。它象征着中国古代文明、建筑技术和历史文化。