In the world there are only two areas that have a megalithic sculptures. The first is a Marquise Island, South America and the second in Bada Valley, Poso, Central Sulawesi, Indonesia. In contrast to the Marquise, sculptures in Bada Valley shaped like a complete human being with a body part. Age is estimated 1500 to 3000 years.
This area was first discovered by Dutch scientists in the early 20th century story hereditary mention these statues were made by the tribe Napu, Basoa and Bada. They are estimated to have had a more advanced culture at that time. However, a variety of myths coloring the story of the tribe, the valley and the megalithic statues. It is still a mystery because no one can be sure how the number and function of the petung. What is unique is this megalithic sculptures will not be found when deliberately sought.