Ключевые слова: blind, blindness, bricks, caution, city, direction, disability, downtown, floor, foot, footpath, footway, handicap, help, mark, modern, nobody, orange, outdoor, pattern, pavement, paving, pedestrian, people, person, road, route, sidewalk, sign, stone, street, symbol, tactile, texture, tile, town, traffic, urban, walkway, warn, way, yellow,