21. The Hampton Down ring was erected on an open downland ridge overlooking the coast. 22. Between the areas of chalk and limestone downland are clay valleys and Bath and Bristol. 23. The range is one of the four main areas of chalk downland in southern England. 24. A walk through the parish of Tangley takes one through woodland, downland and farmland. 25. The downland has many sarsen stones pieces of dense, hard, sandy rock. 26. It is the most extensive area of semi-natural downland left in Greater London. 27. Dew ponds, artificial ponds for watering livestock, are a characteristic feature on the downland . 28. In the UK, this is a species favouring unimproved ( and unfertilized ) chalk downland . 29. The landscape is primarily characterised by undulating calcareous grassland and ancient deciduous woodland over chalk downland . 30. Moulsecoomb Wild Park is a large downland valley which has been preserved in its undeveloped state.
