Monuments. Great Poros Aqueduct. Poros Gutter. Ancient House Walls. Hieron with Horos. Square 5th B.C. Water Basin. Roman Water System. Byzantine Pithoi. Trenches. Trench I. Trench I; Plan; Upper Level ... Κ-22 4299, 4300 ... Trench I; Description; Lower Level ... Trench II; Description; Lower Level ... Trench III; Description; Lower Level