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Royal children George, Charlotte and Louis have been playing in a garden designed by their mother, the Duchess of Cambridge, for the Chelsea Flower Show.

The garden – entitled 'Back to Nature' – will be unveiled at the event in London on Tuesday.

The space includes a tree house, waterfall, rustic den and a campfire as well as tree stumps, stepping stones and a hollow log for children to play on.

The duchess's woodland wilderness plot forms part of her work on early childhood development.