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Then in late June, the flowers finally gave way to a mass of curled green fingers: the unmistakable shape of bananas in a bunch.

But Shreim wasn't born with green fingers: he learned how to set up greenhouses by watching YouTube videos and has gathered tips and tricks from other farmers.

To give her green fingers a helping hand she's using hi-tech sensors, which can show whether her plants need water, sunlight or a different temperature.

River valleys will be protected, creating what Lechner calls “green fingers” reaching through the city.

"I guess I have green fingers now," says healthcare assistant Hana Evans.