Original: In the Soviet years, the Bolsheviks demolished two of Rostov's principal landmarks - St Alexander Nevsky Cathedral (1908) and St George Cathedral in Nakhichevan (1783-1807).
Simplified: In the Soviet years, the Bolsheviks destroyed two of Rostov's main landmarks - St Alexander Nevsky Cathedral (1908) and St George Cathedral in Nakhichevan (1783-1807).