ID 064158164735 © Iamnoonmai4 | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
anthracite background bituminous black burning central charcoal close coal commodities concept dark dirty dust earth ecology energy environment extraction focus fossil fuel gas hand hands heat hold hot human industry lignite lump material mine miner mineral nature piece power raw rock selective stone structure sub technology texture underground warm white work worker workers