31. Large areas of the Chilterns are covered with beech woods , which are habitat to the common bluebell and other flora. 32. The village is above sea level in the Chilterns, set in rolling hills of farmland, beech woods and footpaths. 33. The hills on the Oxfordshire side are populated by houses at Whitchurch and are then covered by the Hartslock beech woods . 34. The surrounding beech woods and local National Trust provides a car park at Watlington Hill on the edge of Christmas Common. 35. If you get tuned to that, you can smell the difference between walking through a beech woods or an oak woods. 36. The surrounding beech woods contain rare plant species and unusual geological features and are protected as a Site of Special Scientific Interest. 37. Just outside the town are the beech woods of the Bois d'Amour, a source of inspiration for many artists. 38. Features of the park are its kettle bogs and the oldest beech woods in Germany in the nature reserve of Heilige Hallen. 39. In " De Divers Artibus ", Theophilus describes the use of beech wood as the preferred source of ash. 40. At this time fuzes were made of beech wood , bored out and filled with powder and cut to the required length.