Zhouzhuang's tourism income has exceeded the 100 million yuan mark for many years. In southern Jiangsu, although the ancient cultural towns comparable to Zhouzhuang are not in the minority, tourism income can only be looked at in Zhouzhuang. A local old man said that Chen Yifei painted in the 1970s After the double bridge here, the painting won an award in the United States and was heavily collected by oil tycoon Hammer. When Deng Xiaoping visited the United States in 1979, Hammer added it to him and said it was painting near Shanghai, China. Small town. Today, Zhouzhuang has become the first choice for visiting the ancient town of Jiangnan. What is the most accurate understanding of this text? ['Cultural exchange is an important content of the international exchange.', 'Culture is an important force for economic development.', 'Tourism is a breakthrough for the rapid development of the urban economy.', 'Cultural communication can be an important opportunity for urban development.']