1950
地下水道 Kanal 1957
1950
2000
1920
1990
1990
2020
1950
1990
1990
1930
1990
1980
1990
1950
1960
1950
1990
1950
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990
1990