leakage of polluted water in the geamana pond - ecological disaster, alba county, transylvania, romania.

toxic waste disaster ecological contaminated mining residuals polluted pollution copper colorful red water open pit excavation ecosystem poieni quarry rosia geamana village lupsa commune alba county transylvania romania submerged tailings dumping washing substances operations pond covered series events natural large seven hamlets demise still live scattered houses hills lake muddy pipes release harmful turquoise zone