English: This is a derivative work of a 3D, Computer generated image of the Theatre of Pompey by the model maker, Lasha Tskhondia - L.VII.C.[1].
Variations to the original model include shadows, adjusted for good lighting as well as the file being adjusted for color and contrast.
The author of the 3D image has uploaded their model through Google 3D Warehouse which allows:
[O]ther end users of the Services a perpetual, sublicensable, irrevocable, worldwide, royalty-free, and non-exclusive license to reproduce, adapt, modify, translate, publish, publicly perform, publicly display and distribute any Content or derivative works thereof...
You retain the right to: (a) make content that you upload to 3D Warehouse using Google SketchUp or third party services available under different license terms, and (b) stop distributing such Content through 3D Warehouse at any time; provided, however that any such election will not serve to withdraw the license granted under these Terms.
The copyright of this building is in the public domain, as it's age is over two thousand years old. While the work itself may retain some copyrights (such as attribution) the design aspects are not original works of this author.
The author's work has no additional license requirements, but this derivative work is being made under CC 3.0
Attribution: A derivative work of a 3D model by Lasha Tskhondia - L.VII.C.
You are free:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.