Simple rectangular exhibition center, minimal ornamentation, clean lines, neutral color palette, polished concrete floors, large glass windows, transparent ceilings, natural light pouring in, subtle LED lighting, minimalist signage, geometric shapes, industrial materials, exposed ductwork, sleek metal beams, open floor plans, flexible exhibition spaces, movable partitions, interactive display systems, calm atmosphere, soft focus photography, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.