What scenes did Zheng Gu describe in the first four sentences of Reading Poetry? What kind of atmosphere has been created?

Partridges play in the warm and smoky wasteland, only to see their colorful feathers so neat; Look at their behavior, the category is similar to that of lively pheasants in peacetime.

When it's rainy, we pass through the grass on Baqiu Lake and the southeast lake of Dongting Lake, and the petals of Huangling Temple fall, only to hear the sound of partridges crying.