archaeological park in xanten, roman harbour temple on the lower rhine, north rhine-westphalia, germany, unesco world heritage

apx archaeological archaeologischer archaeology been blue border borders city colonia columns constructed cultural emperor empire europe fortified foundations frontier frontiers german germaniae germanic germany harbor harbour has have heritage historic history imposing inferioris limes limestone lorraine lower niederrhein nordrhein nordrheinwestfalen north original park partial replica rhine rhineland rhinewestphalia roman settlement site sky soaring temple town traiana trajan trajana ulpia unesco west western westfalen westphalia world xanten