However, in most cities, the lines become shallow or even begin to run above ground as they reach the city's outer residential districts.
The artillery group lay in the north, no longer far from the outer districts of Berlin.
They are all in the outer districts of town, but easily reached by subway.
The town and its outer districts are also within the Nassau Nature Reserve.
Hanoi is divided into 10 inner districts, 1 town and 18 outer districts.
It was the same in all the outer districts where people were seeing their first Russian troops.
To reach outer districts, buses and bicycles are used.
The women's prison where convicted murderers are sent is in the outer district of Tonacatepeque.
Since 1971, it is an outer district of the city of Tübingen.
Budapest, with a population of more than 1.7 million, still has bedraggled and struggling outer districts.