On top of Agoraios Kolonos hill, which is delimiting the Ancient Agora of Athens to the west, stands the temple of Hephaestus, broadly known as “Thisio”. It is one of the best preserved ancient temples, partly because it was transformed into a Christian church. According to the traveller and geographer Pausanias (1, 14, 5-6), two deities were jointly worshipped in the temple: god Hephaestus, protector of all metallurgists, and goddess Athena Ergani, protecting all potters and the cottage industries. ...