Summer Exhibition - 24/06/2007

Laurence Llewelyn-Bowen introduces a special show from the Royal Academy's Summer Exhibition. Will architect CJ Lim push the limits of design with his Pig Tower, for the butchers of Smithfield Market? Art collector Alvin Hall gives his guide to sculpture and the panel of experts, David Mach, Sacha Craddock and Miranda Sawyer, argue over their favourite works in the show.