San Francisco without streetlights at night

What would our world look like if our cities did not have lights at night?  The Smithsonian helps us imagine such a world in What Major World Cities Look Like at Night, Minus the Light Pollution.

Check out the link for other cities where at night we would see the glowing Milky Way overhead instead of a sea of light pollution – the bane of all amateur astronomers worldwide. Occasionally, when there is a major power outage, we urban folks get to witness this magical view of our Universe.