Smoke signals. They could get attention from passing planes or boats if you were stuck on a deserted island, or even an inhabited one without active ferry service. They signal distress. They were the oldest forms of communication in recorded history.
So it wasn't much of a surprise that, when Graham saw the familiar cloud of smoke rising from a cigarette that wasn't his, his curiosity was peaked. He saw a man, not much older than himself, maybe even the same age, sitting lazily on a bench. Graham took a seat next to him and drew a smoke from his pocket.
"Got a light?" he asked roughly.