Beijing is the capital of the People's Republic of China and one of the most populous cities in the world. It is also one of the most important cultural and economic centers in East Asia. Beijing is a major transportation hub, with dozens of railways, highways and expressways connecting the city to all parts of China. The city is home to the Forbidden City, the Temple of Heaven, the Summer Palace, and numerous other historical and cultural sites. Beijing is also a major center of education, with several universities and research institutes located in the city.