He is deeply studying the teachings of Confucianism.

He opened the manhole and checked the sewer.

There are many stomata on the leaves of this plant.

This fabric is perforated, so it has good breathability.

This timber is perforated, allowing the wind to pass through.

He trains every day with a bokken.

Fir trees beautifully color the winter landscape.

Various colorful shrubs are planted in my garden.

Kimiko is my best friend.

He continues to hone his calligraphy skills.