

Two weathered stone towers rise from an underwater city, ringed by pink, orange and purple coral and watched over by schools of yellow fish. The tall columns and their arched windows disguise the finder squares, while the dense coral clusters and crumbling stone ruins carry the dark and light modules. Strong contrast between the dark coral and stonework and the bright turquoise water keeps the pattern readable. Rippling light at the surface adds a soft storybook glow.