There are around 14,500 centenarians in the UK, a number predicted to double every ten years. One in every three babies born now is likely to live to be at least 100. Presented by Joan Bakewell, this Panorama Special follows seven people who have reached 100 years or more. 　　Many are still alert and active, like 105-year-old Diana Gould, who exercises every day. Actor Earl Camero...