1. construction site, feel the hardships of migrant workers' life and work, and you will cherish your work more.

2. Migrant workers are a huge group, and they may be the hardest group on the construction site. They build homes for others in cities without tiles, and keep company with mosquitoes in the hot sun and crowded sheds every day.

3. Tall buildings rise from the ground, and the construction site is hard and dangerous. Remember to wear a helmet. It is not easy.

The wind penetration of the construction site is too strong, and the hardships of a migrant worker can only be comforted by beef soup pot.

While you were living a happy life, I was busy guarding the construction site.

6. The fog is dense, the sky is dark and the frost is sad. There are many people working on the construction site, forced by the hardships of life.