1950
地下水道 Kanal 1957
1950
1960
1950
1950
2020
1990
1990
1990
1970
1930
1950
1990
1990
1990
1920
1990
1990
1990
2010
2000
2000
2000
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990