Göbeklitepe-style T-shaped pillars discovered in Adıyaman reveal the wider Taş Tepeler culture and reshape the Neolithic map of Upper Mesopotamia. A remarkable new archaeological discovery in southeastern Türkiye is reshaping our understanding of the Neolithic world. In Adıyaman’s Samsat district, structures resembling the iconic “T”-shaped pillars of Göbeklitepe have emerged after water levels receded in the Atatürk Dam reservoir. This find strongly suggests that the cultural sphere known as Göbeklitepe or Taş Tepeler culture extended much farther than previously documented. The discovery was made near Kızılöz village, where falling water levels exposed stone features along the shoreline. Following a local...