They began preparations to siege the castle.

They besieged the enemy's castle.

He recognizes the importance of oral history.

Aspergillus is an indispensable fungus in Japanese sake brewing.

Aspergillus plays an important role in the production of traditional Japanese food.

Aspergillus is an indispensable microorganism in the production of traditional Japanese food.

My dream is to visit the Imperial Palace.

He is an expert in clockwork.

Beautiful Japanese ardisia is planted in this garden.

We are working on the tofu-dreg project.