The tholos, a circular building created between 380 and 360 BC at the centre of the sanctuary of Athena Pronaia, Delphi, UNESCO World Heritage Site, Peloponnese, Greece, Europe

day europe greece peloponnese delphi athena pronaia tholos old ruin ruins history ancient civilizations archaeological sites archaeology vertical outdoors unesco world heritage site national landmark photography colour image travel destinations old the past places of interest building building exterior architecture greek culture ancient ancient greece column no people vertical