Last updated at 07:32

How do you grow bananas without much sun?

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With temperatures rarely peaking above 15C, low sunlight and a distance of just 170 miles from the Arctic, Iceland might not seem an obvious place to grow tropical fruit.

But a plantation in Hveragerði, just east of the capital Reykjavík, is the biggest producer of bananas in Northern Europe.

So how do they do it? Here's a clue - the answer is beneath their feet.

Watch Fran Scott's report to find out more.