Because they were woken up by the explosion of a plane hitting the Twin Towers, if you read the description of the video. Their casual manner is because at that time they thought it was just an accident, and didn't realize it was an attack or the extent of the damage
Because they were woken up by the explosion of a plane hitting the Twin Towers, if you read the description of the video. Their casual manner is because at that time they thought it was just an accident, and didn't realize it was an attack or the extent of the damage