Rice was discovered in China 9,000 years ago, so it was thought to be the origin of China, but rice was discovered 13,000 years ago in Cheongju, so the origin was changed to Korea.
Rice was discovered in China 9,000 years ago, so it was thought to be the origin of China, but rice was discovered 13,000 years ago in Cheongju, so the origin was changed to Korea.