Ключевые слова: abstract, architectural, architecture, artificial, background, boundary, brick, building, construction, design, exterior, facade, firm, fortified, frame, graphic, gray, home, improvement, material, medieval, natural, nature, old, outdoors, pattern, puff, real, resistance, resistant, rock, rough, row, sandstone, schist, shale, siding, slate, stability, stack, stone, stonewall, strength, strong, surrounding, texture, textured, tiled, uneven, wall,