(Source: http://gagtime.ru/20526-20526)

This article reveals some surprising facts about St. Petersburg. Check them before travelling.

1. St. Petersburg is the world capital of trams.
2. 10% of the St. Petersburg area is covered with water.
3. St. Petersburg has the deepest underground in the world.
4. In the United States of America, there are 15 cities called Petersburg.
5. According to the order of Peter the Great, the first fireworks were launched in St. Petersburg. That was to announce the victory of the Russian state in battles. Watch the best fireworks in St. Petersburg now!
6. The Blue Bridge is the widest bridge in St. Petersburg.
7.  Since 1725, scientific observations of weather conditions began in St. Petersburg.
8. The warmest point of the city is Nevsky Prospekt. Book excursion to enjoy Nevsky Prospect.
    
9. There are approximately 100 islands and 800 bridges here.
10. St. Petersburg is ranked 5th among the noisiest cities in the world. The average noise is 60 decibels.
11. To get around all the exhibits in the Hermitage, dedicating only a minute to each one, you will have to spend 8 years of your life! Choose your tour to Hermitage here!
     
12. According to statistics, at least 2 million people pass through Nevsky Prospekt every day.
13. The first unofficial championship of Russia in figure skating took place in 1890 in St. Petersburg, when  Peter I brought skates from Holland. The winner was Alexei Pavlovich Lebedev - "the grandfather of Russian figure skating".
14. Until the 18th century, bears lived on the territory of the modern Elagin island.
15. In the XIX century most of the pavements, sidewalks, houses and other buildings were built of wood, and smoking in the streets was strictly prohibited: fires were repeatedly caused by an inadvertently thrown cigarette.
16. According to the most widespread version, the word "Gopnik" (meaning a chav / a mugger) comes from the abbreviation GOP - City hostel of the proletariat in Petrograd, which was distinguished by its complex criminal situation.
17. The largest piece of malachite in the world is located  in the Mountain Museum: the mass of the stone is 1504 kg, and it was brought to St. Petersburg from the Urals in 1787.