In the Soviet years , the Bolsheviks demolished two of Rostov-on-Don 's principal landmarks , St. Alexander Nevsky Cathedral ( 1908 ) and St. George Cathedral ( 1783-1807 ) .
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 ) .