Travel writer Ash Bhardwaj revisits his childhood haunts at Windsor Great Park on the Berkshire-Surrey border. The 16,000 acre park is only around 20 miles from central London, but has an impressive range of different landscapes and wildlife habitats - from traditional formal flowerbeds to ancient woodland, a deer park, farmland and even a site of special scientific interest. Ash meets the deputy ranger to learn about the history of the park, and finds out about the role played in its post-war evolution by the most recent head ranger, the late Duke of Edinburgh