The Edo period in Japan was a time when culture and art greatly developed.

The culture of the Nara period played a very important role in Japanese history.

He survived through the Dark Ages.

I love period dramas.

Natural language understanding is an important field of artificial intelligence.

The Japanese deer, or Cervus nippon, is a beautiful creature adapted to Japan's natural environment.

I live in the State of Japan.

I live in the State of Japan.

The Japanese river otter is an endangered species and is a target for nature conservation.

The Japanese wolf is one of the extinct species.