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 outline light gray vector lines maintain the cars and people but make them match the rest of the style and put the cars at the ground line make the roofline flat maintain the colors on the building but lower the opacity the building the rooftops are flat make the ground a thin line with no color underneath make the grass on the sides a lighter watercolor texture lighten the sky to a very light watercolor texture make clear vector line s keep the background landscape context but make it all light vector lines mute the brown panels a little bit dont make the people too dark make the cars in line with the ground line