There are two most common expressions of winter in the Rocky Mountains. One involves the piercing-blue sky against the just-as-piercing white snow that always makes your friends ask whether you have "Photoshopped" the images you've captured, no-they-don't-believe-you. Cold weather makes the mountains look postcard-perfect, after all. The other is just around freezing, featuring varying degrees of visibility due to snow fog. But, much like the offensively immaculate sky requires little-to-no editing, neither does this latter variant. The entire world transforms into black and white—no desaturation filters needed.