Eco-friendly stadium, natural ventilation, recycled steel structures, low-carbon concrete, FSC-certified wood, green roofs, living walls, rainwater harvesting, grey water reuse, solar panels, wind turbines, energy-efficient lighting, LED scoreboards, sustainable seating, recyclable materials, minimal waste generation, cradle-to-cradle design, circular economy principles, locally sourced materials, reduced transportation emissions, urban heat island mitigation, improved air quality, healthy indoor environments, acoustic comfort, optimal crowd circulation, panoramic views, modern architecture, sleek lines, vibrant color schemes.