Fresh sea urchins still make for a common meal in Antibes. I love how Picasso works to explore the basic geometries of a square, circle, and triangle that can be found in the animal’s spiny shell. And it’s clear that the sphincter-like nature of a sea urchin’s mouth became the inspiration for the mouths of human subjects he painted during this time. Because canvas was hard to come by after the war, all three of these pieces are supposedly painted on top of old works of art that Picasso found lying around in the Château.