It snowed a lot in Gu Hongnan. The poem comes from "Hanjiang". The first sentence of the ancient poem is "Stand alone in the cold river and wait for the old friend." The next sentence is "Gu Hongnan goes to the snow." These two sentences express the poet's strong longing for his old friend and his loneliness. Ancient poetry is a generalization of ancient Chinese poetry. Poetry in the broad sense includes poems, lyrics and sanqu. Ancient poetry in the narrow sense only refers to poetry, including ancient poetry and modern poetry.