temple of hephaestus at the ancient agora of athens in greece

agora agoraios ancient archaeology archeology architecture athens attica balkan capital city civilization culture depopulation derelict destruction disaster disrepair doric europe excavation forge god greece greek hellas hellenic hephaestus hephaisteion hephesteum hill history kolonos landmark old oldest peripteral remains republic ruined ruins site southeast temple theseion theseum tourism travel world