1950
地下水道 Kanal 1957
1950
1950
1950
2020
1990
1980
1940
1990
1990
1910
1950
1950
1990
1990
2000
1990
1980
1990
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
2000
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