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See more strange clouds, and find out how they formed: Nine strange clouds and how they formed

(Image: Joyce Lowe)

Over the years, many readers of The Last Word have sent in photographs of extraordinary clouds, wanting to know how or why they might have formed.

Here is a selection of the best images. Some come with explanations, others are still waiting – perhaps you’ll be able to shed some light.

See the strange clouds and find out how they formed

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