The tower pictured while under construction in Xian. Photo: Handout The tower pictured while under construction in Xian. Photo: Handout
The tower pictured while under construction in Xian. Photo: Handout

China builds ‘world’s biggest air purifier’ (and it seems to be working)

A 100-metre high air purification tower in Xian in Shaanxi province has helped reduce smog levels in the city, preliminary results suggest

Topic |   China science
The tower pictured while under construction in Xian. Photo: Handout The tower pictured while under construction in Xian. Photo: Handout
The tower pictured while under construction in Xian. Photo: Handout
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