caption: The image shows a poster with a logo and text that reads "Amusement Physique sur le Systeme Neutronien" which is likely referring to the physics of the system. The logo is a stylized image of a person with their arms outstretched, surrounded by a circle of stars and a crescent moon. The text is written in a bold, black font and is centered in the middle of the poster. The background of the image is a light blue color, giving the poster a calming and inviting feel.