Hills come alive in Salzburg on 'Sound of Music' 50th anniversary

The iconic musical film 'The Sound of Music' is celebrating its 50th anniversary this year and that could mean big business for tour guides at locations where the film was shot in Salzburg, Austria.

The film, starring Julie Andrews and famous for such classic songs as 'Sixteen Going on Seventeen' and 'My Favourite Things', is based on the writings of Maria von Trapp who detailed how her family escaped Austria when it was ruled by the Nazis.