Why do migrant workers sit on the floor in the subway, they are afraid to sit down next to no one is willing to sit down, they are afraid of the contemptuous eyes! Because migrant workers are by default the image of low quality in society! Because people subconsciously feel that they should not sit down! Migrant workers have some gold-like glittering things that modern city people lack. They are innocent, simple, kind and hardworking. And it is some of these things, supporting our nation in the storm forward.