The ruins from the Kofun Period are important for a deep understanding of Japanese history.

The Ashikaga era is a part of Japanese history.

The Asuka Period is a part of Japanese history, a time when culture and arts greatly developed.

The Muromachi period is a part of Japanese history, a time when many cultural changes occurred.

The Kamakura period was a very important time in Japanese history.

The interior of this room is very beautiful.

Ken-go is my best friend.

The story of Issun-bōshi teaches us about courage and adventurous spirit.

The police believe that all these incidents were committed by the same criminal.

Did you hear his voice?