It is almost 100 years since Prof John Norman Collie told of encountering a terrifying presence on a Scottish mountain that would become known as the Big Grey Man. But what happened on Ben Macdui ...

Britain's second highest mountain, 1,309m (4,295ft) Ben Macdui is in the Cairngorms. The mountain is said to be haunted by a supernatural creature, The Big Grey Man of Ben Macdui. The myth ...