1950
地下水道 Kanal 1957
1950
2000
2000
1980
1990
1980
2000
1960
2000
1990
2000
1940
2010
1990
1980
1990
1970
1930
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