Ключевые слова: background, bath, blue, capri, caucasus, cave, cavern, coast, coastline, curative, decoration, destination, discolored, fervent, geothermal, grotto, harbor, hydrogen, icon, karst, lake, landscape, lava, lermontov, mashuk, mineral, mountain, niche, outdoor, picturesque, pond, proval, pyatigorsk, russia, seltzer, source, spa, steam, stone, sulphuretted, tourism, travel, travertin, tuff, tunnel, turquoise, underground, vapor, volcanic, water,