This specific 3D model, "park-public park-Private Park Landscape 3D model 12", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 395 MB), OBJ (OBJ, filesize: 395 MB), JPG (JPG, filesize: 395 MB), 3DS (3D Studio, filesize: 395 MB), DWG (AutoCAD, filesize: 395 MB), DXF (DXF, filesize: 395 MB), FBX (Autodesk FBX, filesize: 395 MB), SKP (Sketchup, filesize: 395 MB), LS10 (Lumion, filesize: 395 MB), MAX (Autodesk 3ds Max, filesize: 395 MB)