Shanghai is the largest city in China with over 20 million people in its metropolitan area, making it one of the largest urban areas in the world. The document discusses and shows pictures of several iconic landmarks in Shanghai, including The Bund which is the city's famous waterfront overlooking the Huangpu River, historic buildings like the Peace Hotel, and the rapidly growing Pudong district across the river. It also shows streets, parks, markets and other areas around the old city as well as the city's modern transportation infrastructure like the Maglev train and metro system.