Ruins of medieval fortification walls, Nessebar, UNESCO World Heritage Site, Bulgaria, Europe

travel destination photography horizontal colour image outdoors unesco world heritage site international landmark old history the past europe day bulgaria building exterior architecture medieval fortification nessebar ruin old ruin bulgarian culture street light no people colour image colour color image color outside tourist destination travel architectural nobody no one no one landmark place of interest historical historic heritage cultural culture unesco world heritage site unesco world heritage sites unesco world heritage site world heritage sites ruins ruined old ruins remains typically bulgarian bulgarian culture traditional culture tradition traditional traditionally bulgarian europe european