Archaeologists have discovered a 1,400-year-old ice storage chamber, known as a "bingo", at the site of the historically significant Busosanseong Fortress in South Korea.
The underground facility, located about 90 miles south of Seoul, offers a unique look into feudal Korean culture's architectural advancements.
The 1,400-year-old "bingo" is the oldest known facility of its kind.
Author's summary: Ancient ice storage chamber found in South Korea.