How deep is the St Petersburg metro?

Related questions

1. What time does the St Petersburg metro close?
2. How much is the Metro train?
3. Can I load my metro card online?
4. Does Metro take cash?
5. What is the fastest bullet train?
6. How much is it to ride the Metro?
7. How much is a 7 day MetroCard?
8. How much is St Petersburg metro?
9. How often do Metro trains run?
10. How fast do express trains go?

Tags

1. #below
2. #world
3. #petersburg
4. #admiralteyskaya
5. #geology
6. #system
7. #metro
8. #deepest
9. #average
10. #unique
11. #systems
12. #saint
13. #depth
14. #metres
15. #stations
16. #ground
17. #station