Ключевые слова: abstract, air, architecture, black, bright, circle, concentric, construction, copy, corridor, design, empty, fence, frame, grid, industrial, industry, inside, iron, light, line, material, metal, metallic, nobody, old, park, pattern, perspective, pipe, pipeline, reflection, round, row, shape, shiny, space, stainless, steel, technology, texture, tube, tunnel, twisted,