Ключевые слова: barren, barren land, bulgaria, cement, cement factory, chemicals, climate change, contrast, devnya, ecological balance, ecology, emissions, environment, environmental crisis, environmental impact, environmental site, factory, factory pond, hazardous, hills, impact, industrial, industrial landscape, industrial site, industrial waste, industrial water, lake, landscape, manmade, manmade lake, pollution, pond, rugged, rugged hills, site, storage, sustainability, tailings, tailings pond, tailings storage, turquoise, turquoise water, vivid, vivid contrast, waste, waste management, waste storage, water, water contamination, water quality,