The beginnings of Greek mosaic art occurred before the middle of the fourth century B.C.E., and all the early examples are pebble mosaics, in which pebbles of different colors are laid in mortar. In Olynthus, a Greek city on the northern coast of the Aegean Sea, there are some fine pebble mosaics in the dining rooms of private houses which were built in the last quarter of the fifth century B.C.E., though the mosaics may not have been laid at the time of construction. However, in 348 B.C.E., King Philip II of Macedon destroyed Olynthus, so the mosaics cannot.....