A secret garden and model erupting volcano are among the main attractions of this year's Chelsea Flower Show, Britain's premier gardening show which is enticing royalty and celebrities alike this week. The show, which is organized by the Royal Horticultural Society (RHS), will run from May 23-27, and is expected to draw around 165,000 visitors in total. The RHS said tickets sold out two weeks in advance of its opening. (Photo/Agencies)