Ключевые слова: abstract, architecture, backdrop, background, brazil, city, construction, cover, design, dirty, downtown, drain, drainage, foundation, gray, grid, grill, grille, hole, industrial, industry, iron, metal, metallic, old, pattern, rain, rio de janeiro, river, road, rust, rusty, sidewalk, steel, street, structure, surface, texture, thank you, urban, wall, wallpaper, water, wire,