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The future of food: inside the world's largest urban farm – built on a rooftop
Written by Jon Henley
In Paris, urban farmers are trying a soil-free approach to agriculture that uses less space and fewer resources. Could it help cities face the threats to our food supplies?
On top of a striking new exhibition hall in the southern 15th arrondissement of Paris, the world’s largest urban rooftop farm has started to bear fruit. Strawberries, to be precise: small, intensely flavoured and resplendently red.
They sprout abundantly from cream-coloured plastic columns. Pluck one out to peer inside and you see the columns are completely hollow, the roots of dozens of strawberry plants dangling into thin air.
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