Kremlin in Russia technically means?
Forts Fortification Semipermanent fortification Fortresses Fortalice Fieldworks (military) Military fort Semipermanent fortifications Defensive works Strongholds Earthworks (military) Fortalices Military earthworks Military fieldwork Fortifications Fortress Military fortifications Earthworks (fortification) Fort Stronghold Field fortification Fortified Stronghold (structure) Military fortification Fieldworks Festungen Permanent fortification Horn works Fieldwork (military) Permanent fortifications Earthwork (military)