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A Canadian startup is making money from thin air, by selling cans of it to those living in smoggy Chinese cities.

Co-founder Troy Paquette said he started Vitality Air after putting a ziplock bag of "amazing" Rocky Mountain air on eBay as a joke.

He said every one of his products was hand-filled and that a 7.7-litre can cost CA$32 (£15) and contained about 150 breaths.

A shipment of 4,000 more bottles is now making its way to China to satisfy demand. The country has seen worryingly high pollution levels in recent months.

This clip is originally from Up All Night on Monday 21 December 2015