It is very interesting to learn about ancient history.

That thing is important to me.

I love Japan.

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

I live in Japan.

He is interested in toponymy.

He has a deep interest in toponymy.

His toponymic surname indicates the region from which his family originates.

I couldn't sleep because I heard the barking of a dog in the middle of the night.

He sneaked into the house in the middle of the night like a sneak thief.