Swallow: In ancient times, it was regarded as a bird with long life and good luck. And Yan is homophonic with Yan and Yan, meaning peace, and the swallow returns to report peace.
Hulu: the meaning of Fulu. It symbolizes "good luck" and "health and longevity". This is a kind of wealth. Ancient gourds were used for charging. It is said that the medicine poured out of gourd can cure all diseases and make people live a long and healthy life.