Vibrant gymnasium interior, open space layout, postmodernist architecture, bold color schemes, geometric shapes, irregular forms, abstract patterns, eclectic mix of materials, exposed ductwork, polished concrete floors, industrial-style lighting fixtures, oversized athletic equipment, modern fitness machines, mirrored walls, motivational quotes, dynamic shadows, high ceilings, natural light pouring in, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.