A journey underground into one of Poland's working mines December 03, 2018 at 04:21PMhttps://https://ift.tt/2FVF0sx As Poland hosts COP24 in nearby Katowice, David Shukman journeys into the depths of a working mine.

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