Which structure utilises the Belogradchik Rocks for natural defence?

A The Asen’s Fortress
B The Belogradchik Fortress
C The Tsarevets Fortress

Fact: The Belogradchik Fortress, originally built by the Romans and later enhanced by the Ottomans, strategically uses the Belogradchik Rocks as a natural defence, benefiting from their imposing geological features.

Correct Answer: The Belogradchik Fortress