Though not really a photo content, but we do have 360 degree content within the VR. We call it - Virtual Village.
Here is the Youtube demo for the same - https://www.youtube.com/watch?v=Ur7xtoVMiGA
Alternatively, if you want to watch it on Google Cardboard or Gear VR, here is the link to install it on Android.
I look forward to hear from you.