Shanghai is the most populous city in China, with an urban population of over 20 million. This city is located at the mouth of the Yangtze River along the central and eastern coast of China, and it is a provincial municipality directly under the central government.
20 10 World Expo has been held in Shanghai, and its theme of "Better City" indicates that Shanghai and other cities will use the natural environment and a high degree of artificiality to create living environment and benefit urban residents.
The city is a new tourist destination, famous for its historical landmarks such as the Bund and Xintiandi, the modern and expanding Pudong skyline including the Oriental Pearl Tower, and its new reputation as a cultural and design center. Today, Shanghai is an important commercial and financial center. A conference document called it a future global city, and the mass media described it as a "showcase" of the fastest growing economy in the world.