Can UK VFs keep growing as foreign rivals shrivel?

Fifteen layers of trays, brimming with lettuces, salad leaves, basil and other herbs are growing underneath rows of multicoloured LED lights, stacked one above the other. The wall of edible greenery rises 10 metres high, all the way to the roof of a vast building in Lydney near Gloucester.

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Photo by Petr Magera on Unsplash

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