A journey underground into one of Poland's working mines

As Poland hosts COP24 in nearby Katowice, David Shukman journeys into the depths of a working mine. from BBC News - World https://ift.tt/2...

As Poland hosts COP24 in nearby Katowice, David Shukman journeys into the depths of a working mine.

from BBC News - World https://ift.tt/2FVwMAH