1950
地下水道 Kanal 1957
1950
1970
1990
1970
1940
1970
1990
1980
1990
1950
1970
1990
1970
1930
1980
1990
1980
1970
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950