The core is full of joy.

Korea is a fascinating country with a rich cultural history.

Chorea is a movement disorder characterized by involuntary and rapid muscle movements.

North Korea borders China and Russia.

South Korea is a fascinating country to visit.

Corectopia is a condition in which the pupil is in an abnormal position.

The Democratic People's Republic of Korea is located on the Korean Peninsula.

The Republic of Korea has a rich traditional culture.