Wall

This is the story behind Rome''s greatest frontier – Hadrian''s Wall.Hadrian''s Wall is the largest, most spectacular and one of the most enigmatic historical monument in Britain. Nothing else approaches its vast scale: a land wall running 73 miles from east to west and a sea wall stretching at least 26 miles down the Cumbrian coast. Many of its forts are as large as Britain''s most formidable med...