Title: The gates of hell
Subjects: Church history, Councils and synods, History, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ, Russkai︠a︡ pravoslavnai︠a︡ t︠s︡erkovʹ. Pomestnyĭ sobor
Places: Russia
Time periods: 20th century