In the Countryfile Summer Special the whole team head to the Blenheim estate in glorious Oxfordshire countryside for a celebration of the best of rural Britain at Countryfile Live. Matt Baker explores the best food, drink and farming on offer, Ellie Harrison meets an aspiring actress turned accidental cow artist, Adam Henson brings the farmyard to the showground, Tom Heap finds out how the forests of the Blenheim estate help the local community, and John Craven gets a unique glimpse into one of Blenheim Palace's greatest secrets.