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A visitor stands in front of QR-codes information panels during a ceremony to open an information showroom dedicated to the Zaryadye park project in central Moscow, Russia. The showroom, shaped as a dome which houses exhibition halls covered with QR-codes information panels and displaying digital illustration of the project, was opened by Moscow's Mayor Sergei Sobyanin on the site of the future park in a few minutes walk distance from Red Square and the Kremlin, according to organizers.