Artist Matt Hope and his "breathing bicycle", which features an air filtration system fixed to the rider's helmet. Photo: SCMP

Inventors battle to help Beijing beat chronic pollution problem

From helmets complete with filtration systems to the 'breathing bicycle', inventors are battling to help Beijing beat chronic pollution problem

Topic |   China pollution

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Artist Matt Hope and his "breathing bicycle", which features an air filtration system fixed to the rider's helmet. Photo: SCMP
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