Ключевые слова: architecture, boulders, built, construction, design, durability, engineering, firm, fortified, foundation, impressive, landmark, landscape, low angle, masonry, massive, monumental, natural, outdoors, retaining wall, rock wall, rocks, rugged, solid, stability, stacked, stone, stone wall, stonewall, stonework, strength, structure, sturdy, support, texture, towering,