YORK.- The Yorkshire Museum – home to some of Britain’s greatest treasures – will reopen its doors on Sunday after a major two million pound refurbishment that has totally transformed its interior. The city’s Roman heritage is the central theme for the new look museum, with major exhibitions also highlighting its strong medieval and natural history collections. Objects on show include the most complete Anglo Saxon helmet ever found in Britain, the exquisite Middleham Jewel, the most significant Viking Hoard to be found in 150 years and one of Britain’s biggest Ichthyosaurs. Some of these treasures will have returned from the British Museum where they have been on display, the first time they have ever dedicated a gallery to a regional museum. In turn objects belonging to the British Museum from the classical will be on display in the Yorkshire Museum for the opening on August 1 (Yorkshire