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Top secret' drone-blocking technology 'will be deployed in London for Queen's funeral' | Daily Mail Online
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No drone zone sign prohibiting flying drones over Westminster area in London, England United Kingdom UK Stock Photo - Alamy
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Understanding Flight Zones in London - Where to fly your drone in the UK - Grey Arrows Drone Club UK
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A weird, purple flying QR code made of drones appeared in the sky over London for no obvious reason | Business Insider India
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