Ключевые слова: abstract, angle, arc, arch, architecture, arrow, background, black, blue, bolt, bridge, cloud, connection, construction, contrast, crossing, decline, diminishing, evening, gloomy, grid, height, inclination, industrial, iron, landscape, lattice, light, line, metal, outdoor, rise, rough, russia, shadow, silhouette, structure, sun, sunset, support, transportation, triangle,