As an astronomer, he discovered a new star cluster.

His strong point is sincerity.

Gojoseon is considered the first state in East Asia.

This Korean ginseng is said to be good for the body.

Tencho-setsu was once a day to celebrate the Emperor's birthday.

I have started learning Korean.

This rock is mainly composed of albite.

She was wearing a moonstone necklace.

Regulating this machine is difficult.

I decided to take on a new project.