Where do cattle and sheep come from?

The sky is wild, and the wind blows grass to see cattle and sheep. The sky is far away and empty, the grassland is endless, and the breeze blows down the pasture, revealing the cattle and sheep hidden in the grass.

This sentence comes from the folk song "Chile Song" in the Southern and Northern Dynasties.

Song of Chile

Original text:

Chilechuan at the foot of Yinshan Mountain.

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.

Translation:

The vast Chilechuan is at the foot of Yinshan Mountain. The sky is like a huge tent, covering the whole of Yuan Ye. The sky is far away and empty, the grassland is endless, and the breeze blows down the pasture, revealing the cattle and sheep hidden in the grass.