Inside the Factory: Chairs

Gregg Wallace pays a visit to a factory that makes 10,000 chairs every year, the Ercol factory in Buckinghamshire. Here, he follows the production of one of this factory's best sellers, the Windsor chair. Elsewhere, Cherry Healey investigates how sitting too much could be very bad for people's health, and she helps to manage a sustainable woodland at the Rushmore Estate in Wiltshire