Poltva

The Poltva valley cuts between the Podilian Plateau and Roztichia.

[3] As a result, the river was covered up and included into the underground sewer system of Lviv, beginning in 1839.

[4] During World War 2, Jews fleeing Nazi violence used the underground river as a hiding place.

[5] This article about a location in Lviv Oblast is a stub.

You can help Wikipedia by expanding it.This article related to a river in Ukraine is a stub.