Savanna stadium, successful case studies, modern architecture, steel structure, green roof, lush grass, tall trees, sunny day, blue sky, panoramic view, 3/4 composition, natural lighting, ambient occlusion, atmospheric perspective, warm color tone, African savanna landscape, distant mountains, wildlife roaming freely, giraffes, elephants, zebras, soccer players training, sports equipment, goalposts, stadium seats, cheering crowd, vibrant atmosphere.