stoa of attalus, scenic view from the upper floor to the temple of hephaestus right, old national observatory of athens left

2021 agora ancient antique antiquities archaeological archeology architecture athens attalos attalus attica attractions building city civilization classic classical colonnade columns culture destination editorial europe famous floor greece greek hephaestus heritage historical history holidays icon interior landmark landscape left may monument national observatory old panoramic pillars place popular right roman scenery scenic sightseeing stoa summer temple tourism tourist travel upper urban vacation view