Arpoador rock code
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Rio de Janeiro’s mosaics not just for decoration anymore

Arpoador rock code
A QR code made from stone tiles at Arpoador rock.  (Silvia Izquierdo / Associated Press)
Testing the QR code
Beachgoers scan the newly installed QR code at Arpoador rock.  (Silvia Izquierdo)
Instructions
Instructions in Portuguese for how to use the QR code.  (Silvia Izquierdo / Associated Press)
Arpoador rock


A look at Arpoador rock, upper right, from Arpoador beach. On the left, an example of the stonework that inspired Rio de Janeiro’s mosaic QR codes.  (Google Maps)
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