identical to the footprint of the original with concrete walls seven times thicker than a sidewalk. use watch it find shake you will see the floors rise and you watch the floors rise, one a week, from 2010 you will see the construction cranes on the roof rising with the tower, and as the tower goes up you see the construction elevator on the outside, construction stairs on the outside, and you will see a blue netting that keeps the workers and tools from falling below and the glass windows now to the 71st floor, 7,000 windows, 180,000 cubic yards of concrete to the 91st floor and the steel is up to the 100th floor, 38,000 tons of steel and this tower now surpassing, on monday, the empire state building as the tallest in new york city and reach the full