nyc skyscrapers
"A 5.8-magnitude earthquake centered on Fifth Ave. would send shattered glass cascading from skyscrapers, trigger fires and give New Yorkers a severe case of nerves"
yet, on 9/11 two towers that were especially designed to w/stand even the impact of planes were reduced to rubble in seconds, falling w/in their footprints; as well as a third, shorter but broader tower (47 stories), which was not even hit by a plane.