The Hobbit: Director Peter Jackson on how magic is made

The waiting is almost over for fans of Bilbo Baggins and life in Middle Earth, as the much anticipated first of three new Hobbit films opens this week.

Based on Tolkien's 1937 book, the film promises to take viewers on an epic fantasy adventure.

The BBC's Charlie Stayt spoke to the film's director Peter Jackson, who explained how movie magic is made.