A festival-goer is covered in mud during the 17th Boryeong mud festival at Daecheon beach in Boryeong, 150 kilometers southwest of Seoul

A woman reacts as she watches participants during the 17th Boryeong mud festival at Daecheon beach in Boryeong, 150 kilometers southwest of Seoul

A woman covered in mud walks past other participants during the 17th Boryeong mud festival at Daecheon beach in Boryeong, 150 kilometers southwest of Seoul

A reveller throws a bucket of mud during the 17th Boryeong mud festival at Daecheon beach in Boryeong, 150 kilometers southwest of Seoul