Free 3D Models, TF3DM is the go to place where you can share your free 3d assets and download instantly any you like. TF3DM hosts 15.000+ 3d models, in various formats for BLENDER, OBJ, 3DS, C4D, MAX, MAYA, which you can download absolutely for free.
These images are hemispherical panoramas, taken as addition to my Virtualvienna Project. You can find there some of the panoramas as full panorama in a bigger size than here.