Back to 21. Bremer Akrobatiktreffen 2012 (21st Bremen Acrobatics Convention 2012)
A QR code is a 2-dimensional barcode that can be scanned by a smartphone or similar device which can be used to take the user to a webpage. These are useful to put on posters and other promotional material to encourage people to access more information without asking them to type in a URL.
This points to: http://www.jugglingedge.com/event.php?EventID=2804
This points to: http://www.akrobatik-bremen.de/con_aktuell.htm