I was suggesting, more like.... if they were programmed (for instance) to open over deserts, or barren U.S. lands, etc for short periods of time. Some parts of

I was suggesting, more like.... if they were programmed (for instance) to open over deserts, or barren U.S. lands, etc for short periods of time. Some parts of the globe might have some small amount of light blocked for 10 mins, 1 hour, etc - whatever. It would be like a cloudy "hour", etc.