Tourists play with mud during the Boryeong Mud Festival at a beach in Boryeong, about 190 km (118 miles) southwest of Seoul, July 11, 2009. During the festival, visitors can take part in activities such as mud slides, mud wrestling, and mud massages. The festival runs from July 11-19. REUTERS/Yang Young-Seok/Yonhap (SOUTH KOREA SOCIETY) NO SALES. NO ARCHIVES. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA