Britain's Catherine, Duchess of Cambridge climbs a ladder into a treehouse as she visits the 'Back to Nature Garden' garden, that she designed along with Andree Davies and Adam White, during her visit to the 2019 RHS Chelsea Flower Show in London on May 20, 2019. - The Chelsea flower show is held annually in the grounds of the Royal Hospital Chelsea. (Photo by Yui Mok / POOL / AFP)