Ключевые слова: atmosphere, atmospheric, background, beautiful, blue, bright, clouds, dark, dusk, finland, glow, heaven, high, illuminate, landscape, light, luminescence, mesospheric, midnight, natural, nature, night, noctilucent, nocturnal, nordic, phenomena, phenomenon, powerlines, scandinavia, scenic, shape, shining, silhouette, sky, skyscape, space, strange, summer, sundown, sunset, texture, tranquil, trees, twilight, weather,