What sentence in Chile's songs shows the grandeur and richness of the grassland?

In this poem, the description of the magnificent and rich grassland is "the sky is grey, the wild is vast, the wind blows the grass and the cattle and sheep are low."

The Chile Song is a poem in the Southern and Northern Dynasties. The full text is as follows: Chilechuan, Yinshanxia. The sky is like the sky, and the cage covers four fields. The sky is wild, and the wind and grass are moving to see cattle and sheep.

It depicts the vast and magnificent grassland in the northern part of the motherland at that time. The first four sentences praise the living environment of Zile people, and the last three sentences describe the magnificent and rich grassland and the working life of Zile people.