Charming Seoul travel poster in delicate watercolor and ink sketch style, peaceful Korean urban lifestyle scene, minimalist white background with elegant typography reading “SEOUL”, soft pastel watercolor washes, fine architectural linework, cozy atmosphere, traditional and modern Seoul blending together, tree-lined streets, warm golden-hour lighting, people strolling, cafés, bookstores, bakeries, bicycles, lush greenery, subtle city skyline in the distance, Korean aesthetic, travel journal illustration, urban sketchbook art, hand-drawn ink outlines, architectural watercolor rendering, clean composition with generous negative space, sophisticated editorial design, premium tourism poster, light summer mood, textured watercolor paper, loose expressive brushstrokes, highly detailed yet airy, Studio Ghibli-inspired tranquility, lifestyle-focused cityscape, masterpiece, ultra detailed, 8k