Ponts Couverts, Ill River, Barrage Vauban, UNESCO World Heritage Site, Strasbourg, Alsace, France, Europe

travel destination photography horizontal colour image outdoors day building exterior architecture ponts couverts ill river barrage vauban unesco world heritage site strasbourg alsace france europe 13th century old history the past bridge tower large group of people rear view side view full length tourism water river national landmark stone defence clear sky facade city urban scene connection men women tourist cycling bicycle riding colour color image color outside tourist destination travel architectural landmark place of interest group historical historic heritage cultural culture unesco world heritage sites unesco world heritage site world heritage sites cities tourists holiday maker holiday makers on holiday vacation on vacation european