At a residential construction site in the machinery-filled Nanshi District, workers are racing against time to speed up the project.

During the May Day International' Day holiday, in all walks of life and on every street corner, ordinary workers are staying at their front-line posts. With their hardworking figures, they interpret the beauty of, and with their hard-earned sweat, they compose a hymn of labor, making the normally functioning city even more colorful and vibrant.