About this programme

Matt Baker visits Dorney Lake in Buckinghamshire, which will host the rowing and canoe sprint events of the 2012 Olympics, while Julia Bradbury takes a tour around the grounds of Windsor Great Park, the world's largest and oldest inhabited castle. Elsewhere, Jules Hudson tries his hand at the ancient military discipline of tent-pegging, John Craven reports on the growing problem of food fraud, and Adam Henson prepares to sell his sheep at Cirencester market.