Beijing is the capital of the People's Republic of China. It is unarguably the heart of the nation's politics, culture and international intercourse. It is a fast changing and modern city full of vigor. Beijing is one of the six ancient capital cities in Chinese history. The other five ancient cities are Xian, Luoyang, Kaifeng, Nanjing and Hangzhou. It once used as the capital for the dynasties such as Jin (1115 AD - 1234 AD), Yuan (1279 AD -1368 AD), Ming (1368 AD -1644 A D) and Qin ( 1644 AD - 1911 AD).