Rain poured down in torrential waves as we made our way through the Smoky Mountains. We had gotten up insanely earlyโ€”long before dawnโ€”to make the most of our time photographing at the high-elevation overlooks before the storm. But now the rain was coming down so hard that even the most dedicated among us didnโ€™t feel like stepping out of the car for a photo. Until we rounded a bend and saw…