Chinese ancient Pavilion (Polygon mesh 3D model) is available on CGTrader for $30. Original author: aceimagedesign. Specs: 237168 polys, 233783 verts.
STL (Stereolithography, filesize: 4.95 MB), OBJ (OBJ, filesize: 4.79 MB), MAX (Autodesk 3ds Max, filesize: 5.56 MB)