Early Remain behind Stepped Retaining Wall. Early Remain behind Stepped Retaining Wall; Early Wall Trench. Early Remain behind Stepped Retaining Wall; Pocket in Bedrock. Heliaia Enclosure Wall. Heliaia ... Κ-14 2799, 2800 ... Steps in Road near Southwest Corner of Middle Stoa; General Account ... Middle Stoa; Retaining Wall at Southwest Corner ... Steps in Road near Southwest Corner of Middle Stoa