Chenghai District is a part of Shantou City in Guangdong Province.

The ancient murrelet is a small seabird that lives in the North Pacific.

During the era of haijin, interactions with foreign countries were strictly limited.

The common murre lives in the oceans of the Northern Hemisphere.

There are beautiful camellias blooming in my garden.

The White Sea is a sea located in the northern part of Russia.

Mr. Kaiboku is my best friend.

He learned about the naval battle in an old history book.

He is serving in the navy as a lieutenant.

The admiral devised a strategy and commanded the fleet.