POTENTIAL TOURISM GEO HERITAGE LAVA PILLOW

A number of children playing on the Opak river, Dusun Watuadeg, Togotirto, Berbah, Sleman, IN Yogyakarta, Wednesday (11/1). The rock along the Opak river formed due to high temperature liquid lava from the eruption of the volcano that frozenly resembles the pillow to become an alternative to geo heritage tourism in Sleman Regency about the presence of the ancient volcano. ANTARA PHOTO/Hendra Nurdiyansyah/pd/17.