Twin towers-the twin towers of the world trade center were more than just buildings. they were proof of new yorks belief in itself. built at a time when new yorks future seemed uncertain, the towers restored confidence and helped bring a halt to the decline of lower manhattan. brash, glitzy, and grand, they quickly became symbols of new york.world trade center stats: 200,000 tons of steel 425,000 cubic yards of concrete 43,600 windows 12,000 miles of electric cables had its own zip code, 10048each tower: had 110 floors 208 ft by 208 ft at base weighed 500,000 tons 1,368 ft high (north tower) 1,362 ft high (south tower) contained 198 miles of heating ducts 97 elevators for passengers, 6 for freight