Desc: Living History: Das Vermächtnis der Festung Königstein: Directed by David Seffer. With Hannes Jaenicke, Teresa Weißbach, Joachim Kaps, Oliver Bettels. Follow the traces of European and American history in this elaborate documentary and explore the legendary Fortress Koenigstein and its annual "Cannon Thunder over the Elbe Valley" event in Saxon Switzerland in Germany.