Excavations at a centuries-old royal palace in Korea have revealed multiple flush toilets, including one that the crown prince likely used.

The Prince and Princess of Wales were the first to formally meet the visiting President of the Republic of Korea and his wife for a day of royal pageantry Simon Perry is a writer and correspondent ...

They wouldn't have worked like modern-day flushing ... means "crown prince," Kim said. It was built in A.D. 674 along with a pond called "Woji Pond," according to the Korean Heritage Service.