Modern gymnasium architecture, sleek metal roofing systems, curved lines, angular shapes, translucent glass panels, natural light illumination, solar power integration, green roofs, rainwater harvesting systems, durable waterproof membranes, thermal insulation, ventilated facades, cantilevered overhangs, minimalist design, industrial chic aesthetic, urban landscape surroundings, cloudy sky, soft diffused lighting, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.