WATCH: What cities would look like without light pollution

When was the last time you saw the Milky Way?

Our night sky is full of billions of stars but few of us get to enjoy the spectacle of a starry sky. That’s due to increasing light pollution in cities and highly populous areas.

READ MORE: Saving the night — Light pollution a serious concern for human health and wildlife

Photographer David Lennon from New Zealand took the night sky from his home country and interposed it on various cities around the world.

The cities — which include New York City, London, Los Angeles and Singapore — are some of the most populous on the planet.

Lights from buildings, streets, homes and other sources tend to light up the sky, producing what most of us know as a dark-blue and virtually starless.

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