$14 Landscape Low-poly 3D model by GQP. Available on CGTrader with 2088968 polys and 1048576 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 646 MB), OBJ (OBJ, filesize: 32.8 MB), FBX (Autodesk FBX, filesize: 34.4 MB), GLTF (glTF, filesize: 410 MB), TEXTURES (Textures, filesize: 487 MB), PNG (PNG, filesize: 487 MB), DAE (Collada, filesize: 63.3 MB), ABC (Alembic, filesize: 6.12 MB), PLY (Ply, filesize: 6.09 MB)