This giant two-dimensional code made by land, lawn, and gravel is in a form of a square and covers an area of about 6400 square meters. So far it is currently the China’s largest known two-dimensional code Lawn. And this two-dimensional code is ready to be scanned from the sky in a few hundred meters away.
It is understood that the builder of the two-dimensional code is Hefei Vanke – China’s largest residential real estate developer.
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