This gallery of pictures features Bury Ditches in south Shropshire, home to one of the finest Iron Age hill forts in the country.
Its size and layout were largely unknown until 1976, when storms blew down many of the trees that surrounded it.
This led to a large-scale clearance by the Forestry Commission, revealing a series of ditches and ramparts that, in places, would have reached a height of seven metres.
Bury Ditches is located between Bishop's Castle and Clun.
Click on each image for more information