At first he thought someone poisoned him. Maybe it was some kind of psychotic drug that was making him see things, or not see things. He checked his pulse. He didn’t feel sick or drowsy. In fact he felt completely normal. He felt exactly the same way he had a minute ago when the airport was filled with people. He looked at his watch, less than a minute had passed since they were there. And now they were gone, all of them, all but him.