Record-setting human QR code created in Zhengzhou
By Shi Baoyin and Qi Xin in Zhengzhou, Henan | chinadaily.com.cn | Updated:  2017-11-06 20:41
 
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 Thousands used umbrellas to create the world's largest QR Code made by individuals, Nov 1, 2017. [Photo provided for chinadaily.com.cn]  | 
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