Twenty ancient poems describing swallows are as follows:

1. Swallows fly when the mud melts, and mandarin ducks sleep in the warm sand. Du Fu's "Two Quatrains"

2. After the swallows passed through the curtain, I saw the fish coming to market again. Lu You's "Spring Day"

3. The swallow's first words are updated, announcing the spring in the home. Wang Gui's "Gong Ci"

4. Swallows divide mud into bees to make honey, and the wind and sun are late. Yan Jidao's "Visiting the Golden Gate"

5. The Swallow Tower is empty and the spring scenery is late. When the general leaves, his voice is far away. Qin Guan's "Tiaoxiao Ling"

6. In the old days, the king Xietang Qianyan flew into the homes of ordinary people. Liu Yuxi's "Wo Yi Xiang"

7. The swallow still knows that he will return from the society. There is no regular schedule for your conduct. Liu Kezhuang's "Sometimes Longing for Love"

8. Last year, the swallows were at the end of the world. Whose house is the swallow this year? Zhang Yan's "Qing Ping Le Cai Fang Ren Yao"

9. Looking forward to the distant future, jade reduces the damage to spring events, and the east wind flies in the thatched cottage. Zhang Kejiu's "Qingjiang Yin"

10. How many times have the swallows returned? Only deep in the green rock. Xin Qiji's "How many times have the swallows returned home like a dream"

11. The two swallows were frightened by the food they traveled and brought mud into this hall. Avoid dryness and dampness, and avoid inflammation and coolness. Du Fu's "Two Swallows"

12. The spring scenery is fragrant, and the two swallows return to the idle eaves. I also came with my old friends to fly around my old nest. Wu Yuanheng's "Returning to the Swallow"

13. Helplessly, the flowers fell away, and the swallows returned, as if they had known each other before, and the fragrant path in the small garden wandered alone. Yan Shu "Huanxi Sand"

14. Bees are noisy on the wine rack, and swallows are light among the rows of willows. Fan Chengda "The partridge sky is full of green and can be seen"

15. The wealthy family is too busy to build a nest with colorful mud and fragrance. The beauty's lips are dreaming, and both of them are still on the carved beams. Li Zhong's "Swallow"

16. The green grass is as thin as a thread, and the swallows fly in and out. Before spring in Nagato, he entered Banji Hall first. Li Yi's "Fu De Zaoyan Farewell"

17. From the time when the guest's clothes were splashed with mud, all the birds were smarter than him. Why do you hate it? Autumn must go away. Spring will return without an appointment. Xu Wei's "Yan"

18. The small building returns to Yan and it is dusk. Loneliness locks the high door. Light wind and drizzle, cherishing the flower weather, passing the spring equinox one after another. "Youth Travel" by Du Anshi

19. Yan's words are like hurting the spring of the old country, and the palace flowers have turned into dust as soon as they fall. Since I closed my eyes, I have been flying in and out of sight several times. Li Yi's "Sui Gongyan"

20. I don't know if there is any space in the building, but I often carry mud to the corner of my seat. I once talked to a beautiful lady and gave up embroidery several times. Qin Taoyu's "Swallow"