historic railway bridge with a yellow train at the ravenna gorge black forest

altitude architect architecture autumn badenwafrac14 bahn black bow bridge building bwegt cloud communication constriction deusche excursion fall fare ffeltal find forest free freiburg german hapara heaven hike hinterzarten historic infrastructure jam lapara line llental llsteig locomotive nature outdoors rail railway ravenna ravennaschlucht recreation romantic rttemberg stone summer tour tourism traffic train travel viaduct yellow