The first temple of Athena was built during the archaic period around 650 BC on the eastern side of the sanctuary, and it is one of the oldest monumental temples we know. That temple was destroyed by an earthquake as rocks fell from the mountain above. At the same location, a second archaic temple was built around 500 BC. It was bigger than the first one, and it was constructed with porolith in the Doric style. A colonnade surrounded the temple with six columns on the narrow sides and twelve on the long sides, just like the first one. In the interior there were a waiting room right after the entrance called Pronos and a very big cellar, where the main temple and the honorary statue of Athena was placed. The second temple was also destroyed around the 4th century BC. The need to shelter the holy statue of Athena demanded the reconstruction of a third temple. The new temple was made around 370-360 BC during the classical period on the western side of the sanctuary since it was the only area devoid of buildings. The third temple of Athena was also constructed in Doric style. It had geometrical analogies and it was rather simple. There were only six columns at the façade of the building and the architects used a local greystone from Mount Parnassus. The only decorative elements were two Ionic style columns between the Pronos and the cellar.