Жители Санкт-Петербурга устроили «крысогон»17:52
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Ultimately, the most rigorous traceability solutions, including QR codes and microchips, won't be useful if people don't actually check them as a condition of making their purchases. Imitators can simply counterfeit QR code labels, for example.，更多细节参见同城约会
SpaceX rocket debris crashes into Poland