Ключевые слова: accessibility, assistance, blind, cane, closeup, code, difficulty, direction, disability, eyesight, feel, feet, female, floor, guide, handicap, help, identification, impaired, infrastructure, navigation, orientation, outdoors, pavement, paving, person, physical, safe, see, sidewalk, sight, signs, step, stick, street, stripes, structure, surface, tactile, textured, tiles, touch, urban, visual, walking, warning, way, woman, yellow,