Скачать или смотреть Great wall marvel of history widescreen

The Great Wall of China is an extraordinary feat of engineering and a symbol of China's rich history. Stretching over 21,196 kilometers, it was constructed to protect the northern borders of the Chinese empire from invasions by nomadic tribes. The wall's construction began in the 7th century BC, with significant expansions during the Qin and Ming dynasties. It features watchtowers, troop barracks, and signaling systems that utilized smoke and fire to communicate across vast distances. Recognized as a UNESCO World Heritage Site and one of the New7Wonders of the World, the Great Wall stands as a testament to ancient Chinese ingenuity and resilience.