داستان ران دی فرانچسکو، "آخرین بازمانده" 11 سپتامبر که از 84 طبقه با صدایی پایین آمد: "هیچکس متوجه نشد چه اتفاقی می افتد"

The story of Ron DiFrancesco, the ‘last survivor’ of 9/11 who descended 84 floors guided by a voice: “Nobody understood what was happening”

After the first impact on the North Tower, he returned to his workstation in the South Tower, until he received a friend’s call.