Heliaia; Theseion. Heliaia; Theseion; Floor Levels. Heliaia; Theseion; Minor Column Bases. Peristyle Drain. Klepsydra. Klepsydra; Re-used Block From. Southeast Fountain House. Southeast Fountain House; ... Κ-21 4102, 4103 ... Cistern of Late Roman Date above West End of South Stoa II ... Cistern of Late Roman Date above West End of South Stoa II; Plan ... Cistern of Late Roman Date above West End of South Stoa II; Sections