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