Ключевые слова: abstract, abstract pattern, architecture, architecture design, barrier, dark background, dark minimalist, design, dramatic, engineering, engineering technology, geometric, geometric lines, grate, industrial, industrial design, industrial texture, intersecting, intersecting lattice, iron, lattice, lines, mesh, mesh barrier security, metal grid, metallic grid, minimalist, moody, moody dramatic, pattern, rusty, rusty metal, security, steel, steel iron grate, structural elements, technology, texture, urban decay, weathered surface,