Simple rectangular exhibition center, minimalist architecture, clean lines, neutral color palette, large glass facades, transparent walls, natural light, open spaces, industrial chic interior, polished concrete floors, exposed ductwork, geometric LED lighting, interactive digital displays, futuristic product showcases, sleek metal accents, green roofs, solar panels, rainwater harvesting systems, cantilevered overhangs, asymmetrical composition, shallow depth of field, 1/1 aspect ratio, realistic reflections, ambient occlusion.