Situated on the coast of the East China Sea and the estuary of the Yangtze River, Shanghai is the world’s largest and busiest port. As a bustling metropolis, Shanghai has been a major gateway for international trade in China since the 7th century, making it an important entry point to China and earning it the title “The Great Gate of China“. If you have only one day for a Shanghai tour, welcome to take our Classic Shanghai Day Tour for a glimpse of China’s Magic City.