Grand stadium architecture, retractable roof, natural ventilation system, curved lines, steel beams, green roofs, lush vegetation, solar panels, wind turbines, eco-friendly materials, innovative cooling technologies, shaded outdoor spaces, misting systems, tiered seating, athletic tracks, football fields, soccer pitches, basketball courts, volleyball nets, sports lighting, vibrant colorful seats, dynamic shading devices, 1/1 composition, soft warm lighting, shallow depth of field, realistic textures, ambient occlusion.