When you go exploring, you sometimes come across something you wish you had not encountered. Imagine for a moment that you're exploring a vast wilderness or countryside in Russia. Maybe you went out for a hike, just to see what there is to see. You don't know exactly where you're heading, but you don't care. You know you'll find something worth exploring. Then you enter a clearing, coming out of the shaded woods and into the sunlight. Not too far ahead stands a house. The sight of a house after hours of dense forest is a relief, at first. But...