Which part is described in detail in the essay "The Dragon Raises its Head" on February 2nd?

In China, there is a folk proverb that the dragon looks up on February 2nd, which means that spring comes, everything revives, and the dragon begins to move, which indicates that the farming activities in the north are about to start. This day is also called Dragon Looking Up Day or Spring Dragon Festival. In the south, it was called Walking Festival, and in ancient times it was called Picking Vegetables Festival. It began in the Tang Dynasty in China.

There is a custom of February 2. According to the data, the origin of this sentence is related to the understanding of star movement in ancient astronomy and agricultural solar terms. February 2nd was called "the day when the dragon looked up" in ancient times, and it was also called the Spring Farming Festival. The Spring Dragon Festival is a traditional folk festival in China.

People will hold this festival to show their respect for the Dragon King and pray for rain so that the gods can bless the harvest. In the myth and legend that the dragon looked up on February 2, it was the dragon god who couldn't stand the wailing of the world and was punished by the Emperor of Heaven for privately raining. People just try their best to save the dragon god, and every household is blessed by the dragon god on February 2 every year.