Hongsalmun japanese gate 3D model is available on CGTrader for $15. Original author: firdz3d. Specs: 2740 polys, 2660 verts.
OBJ (OBJ, filesize: 77.1 KB), 3DS (3D Studio, filesize: 43.1 KB), BLEND (Blender, filesize: 357 KB), DAE (Collada, filesize: 51.6 KB), FBX (Autodesk FBX, filesize: 93.7 KB)