Composite timelapse combines Death Valley's night sky with New York City's streets

In honor of International Dark Sky Week 2018--which will run from April 15th to the 21st--timelapse filmmakers Gavin Heffernan and Harun Mehmedinovic decided to create an interesting composite. Using their ample post-processing skills and footage they'd captured across the country, they replaced the light-polluted skies over New York City with long-exposure footage captured in pristine locations like Death Valley and Grand Canyon National Parks. The whole thing is part of the duo's project Skygl...