Tours to Russia, this stop is to St. Petersburg, the Gulf of Finland, the large bay in the eastern Baltic Sea, between Finland and Estonia, stretching to St. Petersburg, Russia. The Gulf of Finland is slender in shape, about 400 kilometers in length, with an average water depth of 40 meters, low salt content of seawater, and a gradual increase in salt content from east to west. There is a frozen period of3-5 months, and the main rivers injected are the Neva River from St. Petersburg. We came to the Summer Palace Garden, in front of the garden is the Gulf of Finland, but in the ice period, there is no see.