Aerial view of the ponts couverts, the covered bridge and the Museum of Modern and contemporary art, in Petit France, Strassbourg, France, Europe

petit france strasbourg france drone aerial architecture old europe alsace european city picturesque town french medieval petite tourist building strassbourg river famous colorful sightseeing canal traditional travel scene street landmark timber germany strassburg colmar cityscape downtown historical unesco facade strasburg summer heritage halftimbering little venice ponts couverts notre dame barrage vauban