The air pollution in some Chinese cities is so bad that some restaurants are assessing a "clean air fee" to offset their cost of air purifiers. To exploit the situation two Canadians have taken to bottle air from the Banff area of the Canadian Rockies and have found a demand in China. Their canister can contain 150 one second puffs and they have 4000 bottles on the way. Their idea grew from initial frantic bidding on EBay. The things we take for granted!
tjs
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