edit the existing bird s eye view plan only by changing the overall color palette and visual appearance make the image feel vibrant fresh bright and summery with lively natural colors avoid all greyish dull desaturated or muddy tones use fresh greens warm beige sand tones subtle warm yellows natural blue accents and clean vivid summer colors buildings very important all buildings must have flat roofs every building must be represented as pure white with only a thin black outline silhouette defining its geometry buildings must be completely white no roof texture no roof tiles no grey roofs no colored roofs no shadows or additional graphic patterns on the roofs no visible rooftop equipment no vegetation on roofs no additional details inside the building footprints the only graphic element on the buildings should be the black outline around their geometry keep the exact original shape footprint proportions and position of every building preserve the original plan exactly do not change the geometry or layout do not change proportions scale or dimensions do not change the camera angle or bird s eye perspective do not change the framing or crop do not move add or remove any buildings paths landscaping furniture or other elements do not change the shape or position of any element preserve all existing text labels numbers and lettering exactly as they are do not change typography font size orientation or position of any text do not add any new text or labels only modify the colors saturation brightness and overall summer atmosphere of the existing plan the final image must look like the exact same plan geometry composition and framing but with a bright colorful lively summer palette while all buildings remain completely white with a clean black outline and completely flat roofs