The following source is very short and simple, yet it already feels surprisingly interesting in play, because something is going on which the player does not control but must observe. The single scene both starts and finishes.
Train Stop is a scene. Train Stop begins when the player is in the Station for the third turn. Train Stop ends when the time since Train Stop began is 3 minutes.
say "The Flying Scotsman inches away, with a squeal of released brakes, gathering speed invincibly until it disappears around the hill. All is abruptly still once more."
Instead of entering the Flying Scotsman, say "Alas, the [time when Train Stop began] arrival is only to take on water, not to set down or pick up."