How to write the writing characteristics of Ai Qing's Snow Falls on China?

Snow Falls on the Land of China is a poem published by Ai Qing on February 28th, 1937/KLOC-0, originally published in Beifang.

In 1930s, Ai Qing left his hometown in Zhejiang and went to Wuhan, a metropolis known as the center of the Anti-Japanese War at that time. But he didn't see the whole people actively organizing the war of resistance, and there were homeless people and vagrants everywhere, so he wrote this well-known poem in a cold room in Wuchang late at night.

By describing the images of farmers, young women and mothers under heavy snow, the whole poem shows the sufferings and disasters of the Chinese nation, the picture of old China, the poet's deep patriotic enthusiasm and his deep sense of hardship and childlike innocence. For reference.