Countryfile visits Cambridgeshire, where Anita Rani is at the 40th annual hedge-laying competition and meets a painter that finds trees totally inspiring. Sean Fletcher meets two water buffalo helping in the battle against invasive pennywort. Margherita Taylor is bowled over by a group of woodworkers. And it's a big day for Adam Henson as he finds out if his cattle are TB free, and Charlotte investigates claims that hundreds of villages have been condemned to an early grave.