The main capital city of China is Beijing. As one of the most populous cities in the world, it serves as the political, cultural, and educational center of the country. Beijing has a rich history spanning over three millennia and features numerous historical landmarks, including the Forbidden City, Tiananmen Square, and the Temple of Heaven. The city's blend of modern and traditional architecture reflects China's rapid development while preserving its cultural heritage. As a major hub for transportation, commerce, and diplomacy, Beijing plays a crucial role in both national and international affairs.