King Khalid International Airport 15km Low-poly 3D model is available on CGTrader for $49. Original author: CityArt.
STL (Stereolithography, filesize: 7.72 MB), OBJ (OBJ, filesize: 12.5 MB), 3DM (Rhinoceros 3D, filesize: 8.15 MB), FBX (Autodesk FBX, filesize: 3.8 MB), DXF (DXF, filesize: 9.24 MB), 3DS (3D Studio, filesize: 2.27 MB), C4D (Cinema 4D, filesize: 147 MB)