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