One problem with satellite photos is you don't know what has happened since taken. One may legitimately posit an apartment complex that looks empty in the image may now be filled to capacity and teeming with life. A recent expose by a journalist on the ground demolishes those theories.
Watch the video and see the numerous empty towers of apartments. It's a pre-made ghost town.
Here's one insta-city I found a few weeks ago: Chenggong aka Kunming
What is most impressive about the apartment complex shown is how they built the entire place without adding any roads yet. Hopefully they'll get around to it. Zoom out and look around (both north and east) and you can see the scale of this new city. Like the video above almost all of this new Chenggong appears unused.
Take a look at the photos from this area. (Panoramio link) and see all the buildings going up and completely empty roads. There's just too many completely empty homes and roads devoid of life.
ht: Also Sprach Analyst