Every spring thousands of people from all over the world converge on the Gloucestershire village of Brockworth. They come to watch - and also to compete - in one of rural England's craziest traditions: cheese rolling.This year, there's a new competitor lining up at the top of super-steep Cooper's Hill - Inside Out West presenter Seb Choudhury. Seb has signed up to take part in the terrifying race where 25 people throw themselves down the hill in pursuit of a wheel of Double Gloucester cheese. But as he prepares to take part, he finds out more about the race, the cheese and the people who've battled to keep it true to its roots.