Catacombs of the Cyril and Methodius Church, the assassins of Reinhard (The Butcher) Heydrich hid here

Balcony of the Cyril and Methodius Church, where the assassins of Reinhard "The Butcher" Heydrich hid and fought a gun battle with the Nazi's

Entrance to the catacombs of the Cyril and Methodius Church