Elegant Art Nouveau social housing, flowing organic lines, ornate metalwork, vibrant colorful tiles, lush green roofs, communal gardens, natural stone fa\u00e7ades, curved balconies, stained glass windows, rustic wooden doors, soft warm lighting, cozy interior spaces, eco-friendly building materials, rainwater harvesting systems, solar panels, energy-efficient appliances, recycling facilities, composting areas, community event spaces, public art installations, pedestrian-friendly streets, shaded outdoor seating areas, serene atmosphere, shallow depth of field, 1/1 composition, warm natural colors.