1950
地下水道 Kanal 1957
1950
1980
1980
1970
1960
1950
2020
1960
1930
1980
1990
2010
1980
2000
1990
1950
1950
1970
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1960
1950
1950
1950
1950
1950
1950
1950
1950
1950
1950
1960
1960
1960