I am a tree by the roadside. Who is the author of this poem?

I am a tree by the roadside, and the author of the poem is Gu Cheng. I am a tree by the roadside. This sentence comes from the poem "A Tree" by Gu Cheng, a modern poet in China. The original text is as follows: I am a tree by the roadside. I can only look up at the sky overhead, but I don't know what it is. I just think it must be beautiful. So I am a tree by the roadside, and the author of the poem is Gu Cheng.