Summer Girls Exposed. Have you ever seen hundreds of people line up along side the railroad tracks and all moon the Amtrak train as it slowly passes by every hour, on the hour? Well this annual event has been a tradition for the past 25 years! And what do the girls do when they're not mooning the train? Try drinking, flashing and getting completely buck naked in the portable hot tub! Best of all it's all public! The action gets so wild that a couple of ...