A traveling Philippine folk troupe group on April 24 performs at this year's Dolmen Festival at Hwasun Dolmen Site in Hwasun-gun County, Jeollanam-do Province. Registered by UNESCO as World Cultural Heritage Sites, dolmens in Gochang-gun County, Jeollabuk-do Province, Hwasun-gun and Ganghwado Island off the coast of Ganghwa-gun County in Incheon are the tombs of leaders from the nation's prehistoric period and monuments to the remains of funerals and ceremonies from the second to third millennium B.C. The festival ends on April 30.