the historic hadrians gate or arch of trajan in athens in greece

hill hotspot antiquity gate tour architecture center haven hadrians olympia landmark flair temple summer unesco touristic ancient athena european greece flag reconstructed history religion remain trajan arch marble sky archaeology colors historical capital atmosphere panorama athens cloud visit historic parthenon country ocean europa famous europe old place blue colorful ruin daylight tourism day greek olympics church antique athenian travel building guide white column of mythology city excavations acropolis citycenter square