The Great Wall of China is one of the most iconic landmarks in the world, symbolizing its rich history and cultural significance. It stretches over 13,000 miles, passing through deserts, grasslands, mountains, and plateaus from east to west. Constructed primarily during the Qin Dynasty, it was built to protect against invasions from nomadic tribes. Today, it stands as a testament to human ingenuity and resilience, attracting millions of visitors globally.