ancient erechtheion or erechtheum temple with caryatid porch on the acropolis, athens, greece. world famous landmark at the

acropolis ancient athens greece temple antique archeology erechtheion stone culture monument famous greek history landmark architecture statue sculpture tourism travel europe historical sky column tourist caryatids view old erechtheum unesco day blue women civilization athena porch ruins historic hellenic caryatid sight hill parthenon exterior marble sightseeing sunny summer clouds