海かい中ちゅう展てん望ぼう塔とう

noun

underwater observation tower

A tower built in the sea with underwater windows for viewing marine life; often found at tourist spots.

• 白しら浜はまの海かい中ちゅう展てん望ぼう塔とうから、色いろとりどりの魚さかなが見みえます。

  From the Shirahama underwater observation tower, you can see colorful fish.