Today I learned, that the Boryeong Mud Festival was organized as a promotional event for mud cosmetics.

BORYEONG, SOUTH KOREA - JULY 18: Festival goers wrestle in the mud during the annual Boryeong Mud Festival at Daecheon Beach on July 18, 2014 in Boryeong, South Korea. The mud, which is believed to have beneficial effects on the skin due to its mineral content, is sourced from mud flats near Boryeong and transported to the beach by truck. (Photo by Chung Sung-Jun/Getty Images)