Living in the high desert in California, we didn't often have enough humidity for interesting light shows. But one morning -- God, why was I even up? -- I was near the top of a ridge. There was a thin but solid ceiling about 2,000 feet above us. As the sun came up behind the next ridge, right by the horizon, we could actually see the first rays advance across the bottom of the clouds toward us.
You could have recorded it with the best camera in the world, and it wouldn't have looked real. It moved too fast. "Stranger things in heaven and earth ... "