Imperialism has played a significant role in history.

He has a deep interest in classical literature.

Listening to his story, I felt as if I was surprised twice.

He is thought to be a cruel person.

In physics, blackbody radiation is a very important concept.

Please tell me the details of the project's progress.

The system of provinces was a part of the ancient political system in Japan.

He was recognized as a living national treasure of Japan.

Beautiful colored carp (koi fish) are swimming in my garden.

The little owl is a nocturnal bird that mainly eats small mammals and insects.