Keros has been long famous for its flat-faced Cycladic marble statues. Latest excavations on the island reveal that the ancient inhabitants had an advanced system of plumbing long before the Mycenaeans built it in the palace of Knossos. Around 4,500 years ago, ancient engineers and workers terraced the little island of Keros in the Cyclades … The post Pyramid island Keros in the Aegean reveals its stunning prehistoric secrets appeared first on Keep Talking Greece.