modern architecture, Dongdaemun Design Plaza, futuristic structure, metallic surface, reflective material, Seoul landmark, urban park, green grass, walking paths, contemporary design, LED facade, night illumination, cityscape background, wide-angle lens, clear sky, soft ambient lighting, panoramic view, tourists walking, dynamic composition, high-resolution texture, detailed landscape, vibrant colors, neon lights, steel curves, glass panels, iconic building, architectural photography, long exposure.