Winter is an important festival in Chinese culture, it is the winter solstice that marks the beginning of the new year. In ancient China, people already used gnomons to measure the sun and determine the winter solstice over 2500 years ago. The festival has a rich history and is still celebrated today. From the description, we can see that the work was created by a company called Easiou (eqxiu.com), which provides online design services with abundant templates for quick production.