Thinis is a very atmospheric sim that bills itself as "Immersive roleplay in a dystopian, post-apocalyptic environment. These are photographs of what appears to be a destroyed concert hall or modern cathedral.
I took these photographs from this location:
You can find out more about Thinis here:
Download high quality copy versions of my entire Thinis series here: https://picasaweb.google.com/eddie.thebeaver/ThinisApocolypseSim?authuser=0&feat=directlink