By Nathan Clarke & Mariam Khan Castle Hill Woods is a well love West Midlands beauty spot, sitting just behind Dudley Castle is steeped in history but there is a hidden history many don’t know about. Whilst Castle Hill Woods might look ordinary, nestled in a quiet corner of the woodland is a metal hatch which conceals a large underground bunker. The function of the bunker has been a longtime curiosity but local historians have guessed what it could have been used for. They believe it was used by staff at the neighbouring Castle Mill Works during the Second World War, perhaps as an air raid she…