Watercolor and pen sketch of Shanghai, Seoul ,New York and I

Watercolor and pen sketch of Shanghai, Seoul ,New York and Istanbul GPT Image 2 Prompt: Loose watercolor and pen sketch inside {LOCATION / SUBJECT}, seen from {VIEWPOINT} toward {ARCHITECTURAL FOCAL POINT}, {CENTRAL FEATURE} at center, {OVERHEAD ARCHITECTURAL FEATURE} overhead. Ink line drawn first and left visible through every wash — {ARCHITECTURAL LINEWORK} and {GROUND / FLOOR GRID} overshooting into blank paper, one long confident arc for {MAJOR CURVE}. Wash about 65%, warm below and cool above: {WARM ARCHITECTURAL PALETTE} on {LOWER ARCHITECTURAL ELEMENTS}, {COOL PALETTE} over {UPPER ARCHITECTURAL FEATURE} thinning to bare line at the crown. Diagonal light shafts left as reserved white paper, the brightest value. Floor in {FLOOR COLOR / WASH} with a backrun. Figures in three depth bands, clustered and gapped, never in a row: {NEAR FIGURES AND SCALE}, one cropped by the bottom edge; {MID FIGURES AND SCALE} scattered at different distances, {MIDGROUND CLUSTER} clustered at {FOCAL POINT}; {FAR FIGURES AND SCALE} dissolving into strokes. Different actions each — {ACTION 1}, {ACTION 2}, {ACTION 3}, {ACTION 4}, {ACTION 5}. Five figures colored: {COLOR 1}, {COLOR 2}, {COLOR 3}, {COLOR 4}, {COLOR 5}. Signage as abstract patches, no readable letters. Uniform ivory cold-press, no aged edges or vignette. Vertical 3:4.