Today's homework: 1, the Winter Olympics opening ceremony countdown design features, mention which Chinese culture?

Why did the 24 Solar Terms become the countdown timer?

The world-class intangible cultural heritage of the 24 solar terms was transformed into a countdown timer for the first time at the opening ceremony of the 2022 Winter Olympics in Beijing. Starting from "rain" and ending with "spring", the 24 solar terms were blended with ancient poems, proverbs and vibrant Chinese images. The twenty-four solar terms, ancient poems, ancient proverbs, and vibrant images of contemporary China are fused together in a new way of expression, making a stunning debut in front of the global audience.