The yellow warblers are singing and the swallows are flying. Describe the noisy and active scene of birds in spring. Now it is often compared to the flourishing scene of revolution and construction.
Ying Ge Yan Dance
[Pinyin] [yīng gē yàn wǔ]
[Source] Song Su Shi's "Reporting on the Jin Pavilion": "The smoke is red and the dew is green and the wind is fragrant at dawn; the swallows dance and the swallows cry and the spring days are long."