Rustic gymnasium, earthy tones, reclaimed wood accents, living green walls, natural ventilation systems, solar panels, rainwater harvesting, grey water reuse, organic gardens, bamboo flooring, recycled metal beams, minimalist ornamentation, regionalism-inspired facades, gabled roofs, clerestory windows, soft diffused lighting, shallow depth of field, 2/3 composition, warm color palette, cozy atmosphere, realistic textures, ambient occlusion.