41.   Then the twisted steel of the bridges blocking boat traffic must be lifted.

42.   They said at least one piece of twisted steel from the craft had been pulled from the water, along with some luggage and shoes.

43.   Twisted steel.

44.   Two bodies were still in the ship, visible but stuck in the twisted steel wreckage.

45.   Two other bodies were still in the ship, lodged in twisted steel.

46.   Volunteers emerged from the search-and-rescue mission with grisly tales as they cleared away the twisted steel and glass wreckage of the twin towers.

47.   Within seconds the car hit a curb, slammed into a concrete post, spun and hit the tunnel wall, crumpling in a mass of twisted steel.

48.   Within seconds the car slammed into a concrete piling, spun and hit a tunnel wall, crumpling in a mass of twisted steel.

49.   Within seconds the car slammed into a concrete post, spun and hit a tunnel wall, crumpling in a mass of twisted steel.

50.   When special instruments detect the slightest movement among the twisted steel and concrete, everybody stops and listens closely for signs of life.