How Ground Zero's supertower rose above New York's 9/11 nightmare
Tuesday, September 10, 2013 - 03:30
in Astronomy & Space
It can take the blast from a truck bomb, or the fiery impact of a jet airplane — and yet, at 1,776 feet in height, the supertower rises higher than the terror-hit twin towers that once stood on the site.Safety first, then symbolism: That's the message conveyed by New York's One World Trade Center.