Following our report from last month that revealed 31 new construction permits filed by Tesla for projects that would ultimately double the size of its Gigafactory, a new drone video has surfaced that gives us a look at the rapid pace of construction taking place at the planned multi-level 15 million square foot battery facility in Sparks, Nevada.

Tesla CEO Elon Musk has indicated that the company will eventually build a second Gigafactory somewhere in Europe. But for now, check out the latest 4k drone footage of Tesla’s original Gigafactory 1 taken in December, 2016.