Choose the correct option.

Saint Petersburg is also known as the "Venice of 1) ... North" and there's no mystery why.

With its many beautiful buildings built along its numerous canals, it surely is 2) ... picturesque and majestic city.

There are also more than 400 bridges crossing its canals thanks mainly to 3) ... urban project begun in 1703 under 4) ... Peter the Great.

5) ... walking tour is 6) ... great way to see 7) ... city's monuments.

Start at 8) ... Petrogradskaya \(metro Gorkovskaya\) and go across 9) ... Troitsky Bridge from where you'll get 10) ... great view of the central part of 11) ... city including 12) ... Spit of Vasilyevsky Island, 13) ... Admiralty Tower, St. Isaac's Cathedral and Peter and Paul Fortress.

Cross the bridge and you'll find yourself in one of 14) ... most charming neighbourhoods you could imagine full of 15) ... museums, monuments, and architectural masterpieces.

You shouldn't miss 16) ... Palace Square. It is one of 17) ... most grandiose squares of the city with its 18) ... Winter Palace, the royal residence of all 19) ... Russian Emperors except 20) ... Paul.
From here you should just wander around and you won't be short of surprises.