Ключевые слова: abstract, architecture, art, background, binocular, cement, circle, circular, cold, concept, concrete, cylinder, dark, dirty, end, hole, image, irrigation, leading lines, life, light, long, low, metal, nobody, old, perspective, pipe, retro, round, rural, science, sewer, space, stone, thailand, tube, tunnel, tunneling, underground, vintage, wallpaper, waste, water, watercourse, white,