How was a castle built in the Middle Ages? With which tools, which technology? Answers to these exciting questions can be found in Friesach in Austria's southernmost province of Carinthia.
1974
2014
1935
2004
1966
1973
1979
1986
1963
1909
2017
2002
1944
2018
1936
1960
1996
1965
2003