Ключевые слова: abstract, arc, architecture, backgrounds, clean, concentric, construction material, curve, flagging, flat, floor, full frame, gray, halftone pattern, low angle view, macro, neat, no one, nobody, part of, pattern, paving stone, rippled, rough, s shape, simplicity, single line, sparse, stone, striped, stripy, surface level, thick, tilt, unterteilt, viewpoint, vitality, wave pattern,