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07102663 ©ANDRZEJ GRYGIEL/EPA/MAXPPP Katowice 20181018 The 'Anti-smog green tram' decorated with plants takes part in the new anti-smog campaign organized by the Governing of the Silesian Voivodeship and Katowice Public Transport Company in Katowice, southern Poland, 18 October 2018. Nowhere in Poland is smog more suffocating than in the polluted Polish mining city of Katowice.