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Let's build the world's largest air-purifier! Kick start The Smog Free Movement by creating clean air zones in cities around the globe. And get a Smog Free Ring as a symbol of 1000 m3 clean air.
Let's build the world's largest air-purifier! Kick start The Smog Free Movement by creating clean air zones in cities around the globe. And get a Smog Free Ring as a symbol of 1000 m3 clean air.
1,577 backers pledged €113,153 to help bring this project to life.
1,577 people are supporting Daan Roosegaarde
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