So That's Why The Train Station Smelled Like That

As environmentally conscious engineers, the Soviets left something to be desired and little to the imagination. Katie came back from the bathroom in our old Czech train car with a thoughtful expression and said, "I don't think that was a vacuum toilet like the Danish train had." I was in there a little later and discovered that the plumbing in fact consisted of a six-inch straight pipe down to the tracks. You could see the railbed rushing by when you flushed. Ah, Marxism. Power to the People!