Ключевые слова: 19th century, abandoned, architecture, blue, brick, building, chimney, city, countryside, dark sky, demolished, energy, europa, europe, european, factory, flue, forest, ghost, green, history, house, industry, landmark, latvia, ligatne, manufacturing, mediaeval, mill, nature, old, paper, paper mill, recycling, red, rural, sky, smoke, source, technology, tour tourism, tower, town, travel, tree, valley, view, village, water, wood,