This is a 3D model of the Hagia Sofia one of the Roman's best surviving architectural monuments. The building is still around and is currently located in Turkey. This is a 3D printable model and it is also animatable.
This file is a zip. To access the 3d model extract the folder containing the models, then open the folder.
This zipped file contains several file formats for this model.
Format 1 is .stl which is 3d printable.
Format 2 is .obj which also is 3d printable.
Format 3 is .fbx which is used for display and animation purposes and is set up for Arnold in Maya.