北京, or Beijing, is the capital city of China and one of the most populous cities in the world. It serves as the political, cultural, and educational center of the country. With a history spanning over 3,000 years, Beijing is home to many historical sites, including the Forbidden City and the Great Wall of China. The city features a mix of modern and traditional architecture, showcasing its rich heritage alongside contemporary developments. Beijing is also known for its vibrant arts scene, delicious cuisine, and significant role in international diplomacy, hosting various global events and organizations.