make this into a flat 2d elevation drawing more outlines on the building less of a render quality my professors like a ground line with the building coming straight up from it no perspective view the image is from straight on and the buildings are slightly crooked desaturate the sky make it more of a plain blue watercolor texture make the trees gray vector lines maintain the cars and people but make them match the rest of the style make the roofline flat maintain the colors on the building but change the opacity maintain the green panels on the building the rooftops are flat make the ground a thin line make the grass on the sides a lighter watercolor texture