Aerial orthographic architectural rendering of a planned city inspired by Cerdá's Eixample Barcelona, updated for 21st century. PURE ORTHOGONAL GRID of perfectly square superblocks 400x400m with chamfered corners at 45 degrees. DISTRICT MODULE: Every 9 superblocks arranged in perfect 3x3 grid pattern, the CENTER superblock is a COMPLETE PUBLIC PARK of 16 hectares (400x400m) with NO buildings immediately surrounding it - just continuous green space with walking paths, native trees, sports areas, and a small lake. The other 8 superblocks surrounding the park are residential. BUILDING TYPOLOGY: Inside each residential superblock, C-SHAPED building parcels facing each other in North-South orientation. The C-shapes are PERFECTLY SQUARE, OPEN to North and South creating pedestrian corridors between them, CLOSED on East and West sides. Buildings are exactly 5 stories tall (1 ground floor commercial + 4 residential floors), constructed with industrialized prefabricated concrete and steel, warm beige/earth tone facade panels, green roofs on all buildings. STREET SECTION (ALL AVENUES INCLUDING DIAGONALS): Exactly 36 meters wide facade-to-facade: 6m sidewalks (0.5m facade access + 3m pedestrian clear path + 1.5m tree planting strip with deep root system using geocells) + 10m roadway per direction (2.25m parallel parking + 3.5m outer lane + 3.5m inner lane + 0.75m buffer) + 4m central median with grass and low shrubs under 1m height (NO trees in median) + mirrored roadway + mirrored