Three months ago Buzzfeed ran these New York City subway shots taken in 1973. Forty years ago. When armies of tourists from Norway and Sweden descended upon New York City with spray-paint cans and turned it into Graffiti City. Paint retailers must have cleaned up. And to think that Norman Mailer wrote a book that year that more or less praised graffiti as an urban art form. Imagine being transported back to that time in the flash of an instant. I mean, were there any air-conditioned cars back then? I doubt it.