caption: The image shows a poster with a painting of three children and the words "La Machine Avrial" written on it. The painting depicts a group of children, each with a unique expression and pose, standing in a line with their arms outstretched. The colors used in the painting are vibrant and the text is written in a bold font. The poster has a vintage feel to it, with a muted color palette of blues, greens, and yellows.