These visualizations were developed with Blender using a model created by the architects with Revit. We used Yafaray in one of the images, and the amazing Cycles engine in the other one. Can you guess which is which?
Sapling was used once again, as well as Particles to generate grass and ivy. Some of the pre-existing buildings were textured using UV Mapping and UV Unwrap.
Full images can be seen in the 3d.visualizations area, here.