Complete the texs with the definite article the if necessary.

I live in one of the most beautiful cities of the world. Sometimes ... St Petersburg is called the second capital of ... Russian Federation. Tourists from different countries come to ... St Petersburg to visit its famous museums and to walk along ... Nevsky Prospect. You can see tourists from ... France and ... United States, ... China and ... Great Britain in ... Dvortsovaya Square. There are also lots of Russian tourists from ... Krasnodar and ... Vladivostok, from ... Kaliningrad and ... Moscow. Would you like to visit ... St Petersburg some day?