London 's Royal Botanical Gardens at Kew opens treetop walkway . - The first British television programme to be broadcast in colour is shown on the BBC Television Service, with a special edition of "The Goons " starring Peter Sellers and Dudley Moore. Kew hopes new attraction will help people understand need to nurture trees .
London 's Royal Botanical Gardens at Kew opens treetop walkway . Visitors afforded bird 's eye view of previously unreachable canopy . Kew hopes new attraction will help people understand need to nurture trees .