Send Yan Shiyuan's introduction

Farewell to Yan Shiyuan is a seven-character poem written by Liu Changqing, a poet in the Tang Dynasty. It was written for his farewell friend Yan Shiyuan. This is a lyric poem. By describing the scenery he saw on the way to bid farewell to his friend Yan Shiyuan, he expressed the poet's sigh over the current situation. This is also a farewell poem, and the poet expresses his farewell to his friends in the form of poetry.