convert to an early stage architectural concept sketch composed of multiple overlapping sketch layers with loose black ink linework and soft watercolor washes use expressive iterative drawing lines showing design evolution visible construction lines over sketching and slight misalignment between layers to suggest rapid ideation and exploration emphasize a hand drawn thinking through process aesthetic overall tone iterative exploratory and process similar to a layered physical sketchbook drawing preserve original composition and camera maintain consistent multi layered density loose iterative linework and soft watercolor opacity across all images
