The 24 solar terms this work of art is a unique Chinese calendar creation as the carrier of the traditional calligraphy. The concept of " Start of Spring ","Beginning of Summer","Beginning of Autumn"and"Beginning of Winter" are written at one stretch through the style of Chinese characters"立" and "春","立" and "夏","立" and "秋"as well as "立"and "冬". And the work of art expresses the time track through the path gradients, thus presents the flavor of the Chinese traditional culture in a particular visual language.