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Shenzhen, China's Guangdong Province. 11th Feb, 2020. A drone carrying a QR code placard is seen near an expressway toll station in Shenzhen, south China's Guangdong Province, Feb. 11, 2020. As a
![Shenzhen, China's Guangdong Province. 11th Feb, 2020. A drone carrying a QR code placard is seen near an expressway toll station in Shenzhen, south China's Guangdong Province, Feb. 11, 2020. As a Shenzhen, China's Guangdong Province. 11th Feb, 2020. A drone carrying a QR code placard is seen near an expressway toll station in Shenzhen, south China's Guangdong Province, Feb. 11, 2020. As a](https://c8.alamy.com/comp/2AXAM5F/shenzhen-chinas-guangdong-province-11th-feb-2020-a-drone-carrying-a-qr-code-placard-is-seen-near-an-expressway-toll-station-in-shenzhen-south-chinas-guangdong-province-feb-11-2020-as-a-measure-to-help-prevent-and-control-novel-coronavirus-an-online-register-system-for-vehicles-coming-back-to-shenzhen-has-been-put-into-use-since-feb-8-to-increase-the-efficiency-local-police-officers-used-drones-to-carry-a-qr-code-at-the-expressway-exits-for-drivers-to-get-registered-with-less-contact-with-other-people-credit-lai-lixinhuaalamy-live-news-2AXAM5F.jpg)
Shenzhen, China's Guangdong Province. 11th Feb, 2020. A drone carrying a QR code placard is seen near an expressway toll station in Shenzhen, south China's Guangdong Province, Feb. 11, 2020. As a
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![Pathfinder on Twitter: "A scannable QR code advertisement created by drones above the skies of Shanghai. Beautiful. https://t.co/s3T4Fb9314" / X Pathfinder on Twitter: "A scannable QR code advertisement created by drones above the skies of Shanghai. Beautiful. https://t.co/s3T4Fb9314" / X](https://pbs.twimg.com/media/EzMmjQGUcAYhqDh.jpg)
Pathfinder on Twitter: "A scannable QR code advertisement created by drones above the skies of Shanghai. Beautiful. https://t.co/s3T4Fb9314" / X
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