crystals of self-precipitating salt precipitated to the bottom and shore in the hypersaline kuyalnitsky estuary, an ecological

background beautiful black sea coast coastline crystal crystals curative dead dunaliella estuary global warming halophiles hyperhaline kuyalnik kuyalnitsky lake landscape medicinal mineral mud treatment natural nature odessa region outdoor resort salt extraction mining water saltloving salty scenic shore smoothly stone therapeutic ukraine velykyi white wild self-precipitating precipitated bottom hypersaline ecological disaster