1950
地下水道 Kanal 1957
1950
1990
1960
2020
2000
1990
1940
1970
1970
1960
1980
1990
1990
1980
1990
1990
1980
1980
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930
1930