I like that effect too...
Back in the "old days" before digital, I used to intentionally overexpose the film, and when I processed it (I owned a photolab for years) I would intentionally set the OverEx bias on the Printer/Enlarger to lean a bit cyan. (plus, the paper characteristics always seemed to bias that way, especially when you shoot into the sun.
this is a scanned pic from 1980 or so that this thread reminded me of.