Watching Shunting

[Chops]

A few years ago, a chum who is a career railroader, and I, sat in my car and watched as a shunting locomotive drilled box cars up on track,
and then down another. I thought it a bit daft that a fellow who spends much of his waking hours working on the railroad would want to sit and watch this, but there it was. I pasted this one together out of a few out takes.

https://youtu.be/QxnP5OlOK1c