There is a channel for collecting polluting liquids along the length of the tunnel, located in the north side towards the edge of the section. There are twin basins at each entrance which retain these liquids until a qualified company removes them.
There is a channel for collecting polluting liquids along the length of the tunnel, located in the north side towards the edge of the section. There are twin basins at each entrance which retain these liquids until a qualified company removes them.
