'Sherlock Holmes' cast covered with Victorian goo

The cast of Guy Ritchie's new 'Sherlock Holmes' movie were given a real sense of life in Victorian England - where the film is set - they were covered in "sludge" from the era.

Actress Rachel McAdams recalls one shoot in a real Victorian dungeon really recreated the sights and smells of bygone years for herself and co-stars Robert Downey Jr and Jude Law.