What is the name of a poem that is very popular on Douyin?

There may be many popular poems on Douyin. Here are some of the more famous ones:

1. "Nine-Nine Eighty-One": The author is Gu Cheng. This poem mainly expresses feelings about life and time through the arrangement and changes of numbers.

2. "Yellow River Cantata": The author is Tian Han. This poem mainly describes the magnificent scenery of the Yellow River Basin and the hardworking and kind-hearted people there.