"Plains"? "Champs Elisees" that is? Maybe.
But modern war is about combined arms tactics, drones and so on.
"Russia occupied by France" - happened 200 years ago, things didn't end well for France (they have learned the word "bistro") and Poland (got annexed for 100 years). To successfully occupy any territory - you have to invest into it. Russia was doing that almost always in its history - and it was working well until something was happening to Russia itself.