Check out Saint Petersburg Russia - city and urban 3D model on CGTrader for $3. High-quality mesh by JindaArch.
BLEND (Blender, filesize: 688 MB), OBJ (OBJ, filesize: 978 MB), FBX (Autodesk FBX, filesize: 451 MB), MAX (Autodesk 3ds Max, filesize: 1.32 GB), OTHER (Other, filesize: 473 MB), DAE (Collada, filesize: 1.26 GB), STL (Stereolithography, filesize: 524 MB)