coloring book design, coloring book page, architecture trends, Colors and Textures of Stone: The image showcases a detail of a stone façade, with varied textures and historical layers, from old plaster to elegant sculptures, colouring book style, coloring book for adults, full page, edge to edge, full field of view, outline, contour style, 2d, flat design, large geometric forms, hyper simple style, large shapes and forms, large closed shapes, white space to fill, white background, no filling, no spirals, no shadow, 8k resolution similar --ar 9:11