red mud on the open lignite mine lake. geopark bad muskau leknica

chemical colorful contrast copper creek deep europe ferric flow forest grass green industry iron landscape machinery mineral moss mossy mud orange oxide purity red river root stone stream wet wild death water muzakow leknica herons poisoned tree lignite geological park geopark pond germany travel reservoir coal fields lake geology babina poland season poisonous pit open bad muskau saxony lake leknica border