The sun in the Spring Festival is several stories higher than that in the winter solstice.

Third floor. In spring, the sunshine intensity is strong, the temperature is high, the natural height of the sun is high, and the floor lighting range is large, while in winter, the sunshine intensity is weak, the temperature is low, the natural height of the sun is low, and the floor lighting range is small, which will be half less than that in summer, so it will go to the third floor in winter. Spring Festival, that is, China Lunar New Year, commonly known as Spring Festival, New Year's Eve, and so on. It is also called China's New Year and New Year's Eve Oral.