The Ponts-couverts (Covered-bridges) dating from the 14th century, and two of the three defensive towers over river Ill, part of the Grande Ile, UNESCO World Heritage Site, Strasbourg, Alsace, France, Europe

color image photography outdoors no people nobody day reflection scenic town scenery towers the pont couverts covered bridge travel travel destinations horizontal scenics river bridge tower architecture blue sky reflections ponts couverts covered bridges 14th century defense river ill petite france quarter grande ile unesco world heritage site strasbourg alsace france europe unesco world heritage site