Grassy sports field, natural turf, athletic tracks, stadium seating, goalposts, soccer balls, tennis courts, basketball hoops, sunny day, clear blue sky, soft warm lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion, modern architectural design, curved lines, cantilevered roofs, large windows, transparent glass walls, retractable roofs, natural ventilation systems, energy-efficient solutions.