It once made the finest steel but when Wrexham's Brymbo Steel works closed in 1990 it was a huge blow to the local community but now the historic industrial site is being turned into a remarkable heritage attraction. Sarah Easedale meets the members and volunteers of the Brymbo Heritage Trust and hears about the community's efforts to preserve and celebrate Brymbo's industrial past, conserve a 300-million-year-old fossil forest and provide an area for events and activities