$39 Ruins with plants and rocks Low-poly 3D model by Bondiana. Available on CGTrader with 6930 polys and 7139 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 15.2 MB), FBX (Autodesk FBX, filesize: 15.2 MB), C4D (Cinema 4D, filesize: 15.4 MB), 3DS (3D Studio, filesize: 15.1 MB), MAX (Autodesk 3ds Max, filesize: 15.2 MB)