The one who was in all probability, the campus under construction as a result of the increasingly curious cameras mounted on drones, is preparing to become operational within a few months. Apple Campus 2 or even nicknamed Spaceship Campus because of its particular shape similar to that of a spacecraft, expected to become operational by the beginning of 2017, and judging by the progress made, the goal could be achieved without particular delays.
The new videos of Matthew Roberts, who has repeatedly documented the work in progress with his DJI Phantom Pro 3, shows that most of the facilities have been completed, including even minor ones within the main ring.
As also noted by the author of the video, the research and development facility is almost completed and the landscaping elements are nearing completion. These and many other details, which you can see better in the clip below.