THE 39 STEPS Retraced

The New York Daily News recently published an article about one man's journey to retrace THE 39 STEPS trail in Scotland. Here's one interesting insight:

"But what excited me most was the clack-CLACK, clack-CLACK sound of the train's wheels running over the track - the exact sound that heightens suspense as Hannay eludes police by scaling the outside of the train's carriages. A master of detail, Alfred Hitchcock surely had recorded a train crossing this bridge."