their walls from surprise attacks by a few persons." Amongst the findings are a large pithos, the floor of the long corridor and the room, re-carved from repairs, entrance door, and parts of the wall, infill from earlier excavations. Some ceramics of Early Helladic II period (2800–2500 BC) were identified by Saul Weinberg, a member of the team. Their location and distribution however are not described clearly. There are also room foundations and mortars from later uses of the building, as well as dirt with ceramics of classical period (lamps, house ware), and some few coarse sherds of doubtful age, and some Roman lamps, all of which are mixture-disturbed so stratigraphy is not possible. The infill at the floor varies between 20–60 cm. There is considerable controversy about the dates of these structures, with conflict between dating based on archeological excavations and dating through what was at the time the new technique of thermoluminescence dating, Ioannis Liritzis and his team argue for an early date through five sub-projects: 1) geophysical prospection inside and around the two pyramidals at Hellenikon and Ligourio, where buried monuments were discovered, 2) these results directed the archaeological excavations carried out by archaeologist A.Sampson and archaeologists of the Archaeological Museum of Nauplion. Amongst the new finds were foundations of rooms, ceramics of Classical, Hellenistic, Roman and Protochristian periods, and Early Helladic II in the exterior foundations of Hellenikon above the bedrock. A comparative study of masonries was also made, 3) astronomical orientation of the long entrance corridor was found related to the rise of Orion’s belt occurring in c. 2400–2000 BC, 4) the dating of some parts of the overlying large megalithic blocks in the wall, with the novel thermoluminescence dating method of rock surfaces. Sampling was chosen for their firmness and lack of sun exposure of internal contact surfaces, by removing a few milligrams of powder from pieces in firm contact. Seven pieces gave an age range of c. 2500–2000 BC, while two ceramic sherds of non-diagnostic typology one from Hellenikon and one from Ligourio dated by TL and OSL gave concordant ages of 3000±250 BC and 660±200 BC respectively. This time frame would place construction of these structures at a time overlapping the construction of the pyramids in Egypt. Mary Lefkowitz has criticised this research. She suggests that some of the research was done not to determine the reliability of the dating method, as