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Leo De Watts, 27, sells air collected in the British countryside and ships it over to polluted cities Shanghai and Beijing, where the wealthy elite pay a hefty sum for a few seconds of inhalation.

Speaking to 5 live's Stephen Nolan, he said:

"It does sound a bit crazy for us in the UK when we have an abundance of it, but anyone living near a clean lake you start bottling water and selling that off, all your friends are going to think you're nuts, but for somewhere they don't have a great supply of it, it's amazing it can be sold as a luxury item".

This clip is originally from Stephen Nolan on Sunday 7th February 2016.