@EXPLORAmuseum Science Center (http://www.explora.info, in Frankfurt Germany) at the moment shows the biggest QR Code in Europe / Germany.
You need a QR Code Reader for you (Smart) Phone to read the content of the QR Code.
Come and see it by yourself from across the street at Schwarzburgstraße 28, 60318 Frankfurt am Main, Germany.
Sorry my phone is reflecting the light / camera but you can see that the QR Code is really working!
Hope you like it @QRCodeART (Frankfurt, Germany
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