Ключевые слова: accessibility, architecture, background, building, cement, chair, concept, concrete, construction, design, disability, disable, disabled, driveway, entrance, facility, green, handicapped, help, material, mobility, move, natural, outdoor, outdoors, pattern, pavement, people, person, ramp, rock, sidewalk, slide, slope, stair, staircase, stairs, stairway, step, stone, street, structure, transportation, up, walk, way, wheel, wheelchair,