Rio de Janeiro has added the barcodes to its symbolic walkways at Ipanema Beach. The city of Buenos Aires has added QR codes to the sidewalks of Rio de Janeiro, which are symbolic of the city, by embedding them into the mosaic patterns using black and white stones. The first of the barcodes were unveiled on Friday in one of the city’s most popular locations. The QR codes were first installed at the massive Arpoador boulder, which marks the end of the Ipanema beach. The black and white barcode was…
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