Introduction to the twenty-four solar terms: The twenty-four solar terms are a valuable scientific heritage created by the Chinese ancestors after thousands of years of practice. They are a tool to reflect changes in weather, climate and phenology, and to grasp the farming seasons. They embody ancient Chinese culture. Working people are smart and intelligent. Each solar term building corresponds to a screen wall. The names of each solar term on the wall are in the fonts of 24 famous calligraphers from ancient and modern times, which is rich in cultural atmosphere.