1950
地下水道 Kanal 1957
1950
1980
1950
1970
2020
1930
1930
1990
1990
1990
1990
2010
1970
1950
1950
2000
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990