Title: Podzemnai︠a︡ okhrannai︠a︡ zona istoricheskoĭ territorii Ri︠a︡zanskogo Kremli︠a︡
Subjects: Buildings, structures, Fortification, Ri︠a︡zanskiĭ istoriko-arkhitekturnyĭ muzeĭ-zapovednik, Underground architecture, History
Places: Russia (Federation), Ri︠a︡zanʹ (Russia), Ri︠a︡zanʹ