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Spatial information became ordinary for everyday use hidden in different kinds of both paper and web maps, navigation, and map applications. People perceive more than 85% of the information by eyesight. Also, the majority of maps is produced for reading with eyes. Visually impaired including blind people perceive the world differently and have the insufficient amount of possible ways how to investigate the surroundings. Also, creating a particular map for blind people is conceptually different, more expensive and ...