Ключевые слова: abstract, architectural, architecture, background, barricade, boundary, brown, building, color, construction, detail, exterior, fence, frame, front, gabion, granite, gravel, gray, grid, group, heap, image, large, material, mesh, metal, natural, nature, order, ornamental, outdoor, pattern, pebble, protection, rock, rough, solid, stability, steel, stone, strength, structure, surface, surrounding, technology, texture, textured, wall, wire,