The invention had remained largely conceptual until ofo CEO Da Wei asked Daan Roosegaarde to partner with him at the Dailan World Economic Forum.
See it here: http://ift.tt/2vMbzmI
See it here: http://ift.tt/2vMbzmI
The first smog-filtering bicycles will roll out in China by the end of the year
Reviewed by Unknown
on
August 08, 2017
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