Hangzhou, the capital of Zhejiang Province, is one of the ancient national capitals in China. When Marco Polo came to Hangzhou in the 13th century, he acclaimed that "It is the most beautiful and elegant city in the world". There is also a popular saying: "Above there is heaven, below there are Hangzhou and Suzhou." Hangzhou attracts hundreds of thousands of tourists from all over the world. Besides its natural beauties, Hangzhou is also famous for silk and tea.