All right. Zhengzhou can choose to sell some vegetables such as cabbage and potatoes in winter, so that it can sell vegetables. Zhengzhou, referred to as "Zheng" for short, was called "the world" in history, and was called Shangdu in ancient times. Now it's called Greentown. Henan Province governs prefecture-level cities, provincial capitals and megacities. The 13th Five-Year Plan for Promoting the Rise of Central China clearly supports the construction of a national central city.