Delos Island, UNESCO World Heritage Site, South Aegean, Greek Islands, Greece, Europe

travel destination photography horizontal colour image outdoors day unesco world heritage site unesco no people europe clear sky blue old the past history greece greek culture south aegean greek islands delos island island ancient ancient civilisation ruins old ruin international landmark famous place archaeology archaeological site column balance roman roman ruins colour color image color outside tourist destination travel nobody no one no one landmark place of interest historical historic heritage cultural culture unesco world heritage sites world heritage site world heritage sites ruin ruined old ruins remains antiquity antiquities typically greek traditional culture tradition traditional traditionally greek traditionally greek archaeological archaeological sites european