! BAM ! That manhole cover ATTACKED my car! Amazing amount of energy here: http://now.msn.com/now/0429-manhole-flips-car.aspx I wonder how HIGH the cover would have flown if the car had not been in the way? Evidently, manhole covers blowing off occur not only in Russia, but SF, CA has this problem as well. http://abclocal.go.com/kgo/story?section=news/local/san_francisco&id=7791686 Whoda thunk it?