There's a code on the street blind people can read with their feet

Pavements are covered with different patterns — but you might not know that they actually serve a very important purpose.

The patterns are called tactile paving and they help blind or partially sighted people navigate their way around cities, towns, and villages.

There is a 108-page government document online which explains all the patterns and where they are used.

Produced by Leon Siciliano

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