Ain't That America: Holiday Edition

Yes, I said "holiday" on purpose, because there's nothing particularly related to Christmas here, except the vaguely seasonal. I suppose most people have seen this now, as it was circulated last year, but in case you haven't--remember I was saying a few weeks ago that engineers are not dull people? Here's a bit of evidence. It is, as the youngsters say, awesome. (Note: this is a YouTube video with fairly loud sound.)