Ключевые слова: adult, background, black, caucasian, charcoal, coal, danger, dark, death, dirty, earn, exploitation, extraction, fossil, fuel, industry, job, labor, labour, lignite, male, man, mature, middleaged, mine, miner, minerals, mining, occupation, people, person, placard, portrait, processing, production, profession, protest, protesting, rally, resources, risk, senior, soot, stone, tunnelling, underground, word, work, worker,