Middle Stoa north aisle: general view of Klepsydra drain-features and upper trench to left and above, with (bottom to top) Turkish bothros, area of late Geometric burial, "upper Agora Road", section of 3rd c. terracotta drain. Unfinished Geometric Well J 13:1 and East Branch of the Great Drain at upper left corner.
Aerial view of south end of west side showing from the right, Apollo Patroos Temple, Metroon, Bouleuterion, Tholos and the Great Drain; Monument of the Eponymous Heroes and Altar of Zeus Agoraios in center foreground.