This nice official(350857) panoramic view shows the Administratation building of the city... Again one of the many beautiful buildings of Russia...And a big thanks to the sender for all the great information on the card!:D
Lovely stamp showing "Russian Kremlins"-Ryazan Kremlin issued in 2009
Rostov-on-Don city is the Southern capital of Russia, the the largest administrative, cultural,scientific, educational and industrial centre of the country. It is the major transportation port of the South of Russia, it's called "The Gateway to the Caucasus".