happy labor day, 1st of may! manga drawing of a construction worker wearing a hard hat at a construction site

generated happy labor day 1st may manga drawing construction worker wearing hard hat site surrounded circle light international workers 39aph39 federal holiday safety labour female male laborer labourer girl uniform helmet boy celebration clebrate woman struggle movement strike union concept conceptual wallpaper background vivid colors uplifting art modern contemporary aesthetics artwork visual lifestyle retro