Birmingham built an aqueduct from wales that still serves the city .
而伯明翰从威尔士引入了一条沟渠,至今仍在使用。
Travelers can get a look at this ancient public latrine ( no longer in operation ) that includes 20 " stations " ; it 's " flushed " by water that 's carried by an aqueduct below each seat .
This knowledge , along with their extraordinary skills in structural engineering , was sufficient for them to construct the massive aqueduct systems including rudimentary siphons .
In good years , los angeles gets two-thirds of its water from the colorado river and the california aqueduct built in the 1960s to distribute water from the san joaquin-sacramento river delta to farmers in central valley and communities along the way .