Chinese ancient pavilion 3D model is available on CGTrader for $50. Original author: aceimagedesign-1. Specs: 601444 polys, 592540 verts.
STL (Stereolithography, filesize: 16.3 MB), OBJ (OBJ, filesize: 13.3 MB), FBX (Autodesk FBX, filesize: 17.9 MB), MAX (Autodesk 3ds Max, filesize: 21.3 MB)