Shanghai

Shanghai is China's shining star, metropolis and centre of commerce. It has the world's largest subway network and huge "cathedrals" of the new age: the skyscrapers of Pudong.
Shanghai is so huge that it is not possible to see the city's boundaries from the highest observation deck of the Shanghai World Financial Center. Even the urban planning exhibition is not able to show the city limits.
Nevertheless, that exhibition gives you an overview of the city's history of the last 150 to 200 years. If you want to learn more about China's history and culture you should visit the Shanghai Museum.