Ключевые слова: abstract, accessibility, assist, blind, blind person, blindness, braille, city, color image, colourful, damp, dark, disability, disrobed, europa, footage, footpath, guidance, guide, handicapped, help, horizontal, mysterious, navigation, night, no people, outdoors, pattern, paving, pedestrian, person, platform, puddle, road, safety, sensory perception, sidewalk, sky, step, street, sunny, surface, tactile, textured, tile, water, yellow,