The historical site known as the Great Wall of China stretches across northern China. This ancient fortification was built to protect against invasions and raids from various nomadic groups. Spanning over 13,000 miles, it showcases impressive engineering and architectural achievements across multiple dynasties, especially the Ming Dynasty. The wall is now a UNESCO World Heritage Site, attracting millions of tourists each year who come to marvel at its grandeur. Its cultural significance is immense, symbolizing China's historical strength and resilience.