Tai Chi has not yet formed, and the sky is full of chaos. It is graceful and graceful, but its image is invisible. There is a mixture of things, the door of Xuanfei. Today, inheriting the legacy of Quzi's "Tianwen" and following the grand style of Sima's "Shanglin", we look up at the vastness of the universe and observe the prosperity of categories, so we write this poem.
