detail of the temple of hephaestus in ancient agora, athens, greece

acropolis agora ancient antiquities archaeology archeology architecture athens attica attraction building civilization classic classical colonnade column columns destination detail diminishing doric exterior god greece greek hephaestus hephaisteion heritage historic landmark marble marbles monument mythology old perspective portico ruins sightseeing stone temple theseio theseion theseum thisio thissio tourism tourist travel unesco