Munich mystery: QR codes appear on over 1,000 graves, police probe concludes

Initially, some thought the QR code mystery may have something to do with Nazi propaganda, partly due to a past incident in 2004

Munich mystery: QR codes appear on over 1,000 graves, police probe concludes
Initially, some thought the QR code mystery may have something to do with Nazi propaganda, partly due to a past incident in 2004