Tom McCollum, the director of the Southern Arizona Transportation Museum, talks about the impact of the railroads onTucson and Southern Arizona. McCollum discusses fun, facts and history in this multimedia video and photo slideshow by UA School of Journalism student Takatoshi Kato.

This article appears in Jun 24-30, 2010.

I am a journalist. I am an editor by heart and a teacher by nature. Photography is a medium in which a story can be told in a single power image, or through a series can take viewers through a visual journey. If...