Arpoador rock code
4 Images

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 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)