Lesson 3 An Unknown Goddess Some time ago，an interesting discovery was made by archaeologists on the Aegean island of KeaAn American team explored a temple which stands in an ancient city on the promontory of Ayia IriniThe city at one time must have been prosperous，for it enjoyed a high level of civilizationHouses-often three storeys high-were built of stoneThey had large rooms with beautifully decorated wallsThe city was even equipped with a drainage system，for a great many clay pi
