9-11 possibility

1. 9-11 attack might be to teach Americans that 9-11 is the fire fighter or emergency phone number in USA. 2. But it is just a possibility. 3. the prove is that the 3rd air plane changed route to crash the Pentagon instead of the other building.

1. 9-11攻擊可能是為了教美國人9-11是美國的消防員或緊急電話號碼。但這只是一種可能性。 3.證明是第3架飛機改撞擊五角大樓而非另一座大樓。