Since 2009, more super-prime properties have traded hands in London than in any other city - will the bubble burst? Bloomberg’s Stephanie Baker speaks with Giles Hannah, Senior Vice President at Christie's International Real Estate, James Taylor, Project Director for Clarges Mayfair at British Land, Camilla Dell, Managing Partner and Founder at Black Brick Property Solutions and James Cooksey, Head of Central London for The Crown Estate. They speak at the Bloomberg Markets Most Influential Summit in London. (Source: Bloomberg)