Who would dream that people would hijack two airplanes and fly them into two of the tallest buildings in the world? I imagine the architects and engineers didn't foresee this possibility, and didn't design the buildings to be impervious to airplane crashes. To this day, I find it hard to believe it all happened.
I wasn't particularly impressed by the architecture of the World Trade Center. It seemed like a cheaply-made behemoth, not an architectural masterpiece like the nearby Woolworth Tower, or the Empire State Building or the Chrysler Building.
-Joe-