The image shows little more than foliage and sunshine, but it looks like a real-time screenshot.
Meanwhile, the unannounced game's teaser website has updated with a similar image of trees. Interestingly, both background images are entitled as "growth-1.jpg" and "growth-2.jpg" — confirming that the image on the PlayStation Blog is connected.
What does it all mean? We're still not sure, but you can read more of our investigation through here.