Boryeong Mud Festival in Boryeong, South Korea: The mineral-rich muds from the Boryeong Mud Flats, a region located outside of Seoul, are used in the manufacture of high-end Korean cosmetics. To take advantage of the supposed medicinal value of the mud, tens of thousands of Korean and international tourists flock to Boryeong in July for mud wrestling, slinging and other antics at the Boryeong Mud Festival.
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