Who is the owner of the brain teaser sea?

Because of the Baltic Sea (pineapple), this is a fruit homophonic problem related to Nordic place names.

Located in northern Europe, the Baltic Sea has the lowest salinity in the world.

The Baltic Sea is named after the Baltic Mountains from Szczecin, Poland to Revele. The Baltic Sea is called the East China Sea by western European countries (such as Britain, Denmark, Germany, the Netherlands, etc.). ) and the West Sea in Eastern Europe and Estonia. The Baltic Sea is the inland sea of northern Europe, the marginal sea of the Arctic Ocean, and belongs to the Atlantic Ocean.

The origin of brain teasers:

Brainstorming originated in ancient India. Brainstorming is a series of complete comic jokes published by the culture of the times on 1989 12.06, which changed from the comic question on the previous page to the unexpected answer after flipping through it. At that time, there was a social craze in Taiwan Province Province, and all the streets and alleys were asking each other brain teasers, which evolved into a pattern of cold jokes and was later introduced to Chinese mainland.