1950
地下水道 Kanal 1957
1950
1990
1980
1990
1990
1990
1990
2010
2020
1980
1920
1980
1990
1990
1990
1980
1970
1940
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990