I love Japan.

Ancient Japan was a place where beautiful nature and culture merged.

The altimeter on my airplane broke.

He is an expert in oceanography.

My major is oceanography.

Marine pollution is a global issue, and all countries should cooperate to find a solution.

I often go to the sea on weekends.

Umi is my best friend.

The sea breeze feels comfortable.

He found the sea on an old map.