北京, the capital of China, is a city rich in history and culture. It is known for its ancient architecture, including the famous Forbidden City and Temple of Heaven. As a political, cultural, and educational center, Beijing plays a crucial role in the country's development. The city has a population of over 21 million people, making it one of the most populous cities in the world. Beijing is also a hub for transportation, with major airports and a vast subway system. Its blend of modernity and tradition attracts millions of tourists each year.