Whimsical Art Nouveau building facade, ornate metalwork, sinuous lines, organic forms, flowing curves, blooming flowers, lush greenery, natural stone walls, intricately patterned tiles, stained glass windows, grand entranceways, sweeping staircases, elegant balconies, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion, serene urban setting, tree-lined streets, charming streetlights, vibrant colorful accents.