The ancient Greeks built their houses with a stone foundation and walls of unbaked clay bricks. The citizens of Orraon, though, were blessed with an abundant supply of limestone that was easy to extract, so they opted to build their houses entirely of stone. This happy circumstance preserved the houses of this small town from the ravages of time, and enables the researchers of the ancient world and its architecture to study two-story houses still standing almost intact, with their windows and the holes on the walls that supported the wooden beams of the floors. The houses of Orraon are a unique experience indeed.