What do you mean by Chang Qingyang and He?

"The green sun is pleasant and the valley wind is warm" means that the weather in spring is sunny and comfortable, and the east wind is mild. This poem, written by Guo Pu in the Jin Dynasty, is sunny and pleasant. Gu is enthusiastic. Ying Ying Yelin Hui nationality. The high platform near the Seven Gates of Insect Fairy is flowing rapidly. Four kings and grandchildren. The feather cover blocked the dark clouds and dark clouds. Cui Yu Ying Yu Zun. Qingyang refers to spring in ancient poetry, and Gu Feng refers to the east wind of spring in poetry. Both describe spring. Wood and text have mild meanings and describe the east wind. So the sunny weather in spring makes people feel comfortable and the east wind is mild.