The children of Prince William and Kate got to play on a swing rope and climb a miniature waterfall at their mother's Chelsea Flower Show garden on Sunday.br br Kate, the Duchess of Cambridge, designed the show garden at Britain's most prestigious flower show, featuring a woodland wilderness that highlights the benefits the natural world can bring to the mental and physical well-being of children and adults alike.br br Co-created with landscape artists Andree Davies and Adam White, Kate's "Back to Nature Garden" includes a rope swing, a high platform tree house and a stream with waterfalls.