Ключевые слова: aurora, aurora borealis, aurora polaris, bare tree, betula, birch, black, boreal forest, borealis, constellation, deciduous, finland, forest, geomagnetic, green, horizontal, illuminated, landscape, leafless, light, lights, magnetic field, nature, night, nobody, northern, northern lights, outdoors, pattern, purple, scenery, scenic, season, silhouette, sky, space, star, star field, starry, stars, storm, taiga, tree, trees, treetop, treetops, view, woodland,