Colonia del Sacramento, Uruguay, colonial-style architecture, pastel-colored buildings, ornate wooden doors, wrought iron balconies, red-tiled roofs, narrow cobblestone streets, historic town center, sunny afternoon, clear blue sky, few puffy white clouds, warm natural lighting, subtle shadows, vibrant greenery, blooming flowers, rustic stone walls, aged wooden shutters, decorative window frames, intricate stucco patterns.