白盒展厅与折板外壳的对比：美术馆增建室内

Design a museum interior inspired by Walker Art Center Expansion. Create flexible white gallery spaces with exposed concrete, subtle steel detailing, diffuse skylights, open circulation, and carefully proportioned exhibition halls. Emphasize calm interiors contrasted with the expressive folded exterior envelope. A completely neutral white gallery with a flat luminous ceiling of diffusing panels, exposed concrete floor, hairline steel door frames, one angled wall hinting at the folded envelope outside, a single large canvas, no visible services or track lighting, even shadowless light, eye-level frontal view, 35mm lens, interior photography, ultra photorealistic, 8K