ISTANBUL (Reuters) - Turkey's biggest independent film festival f celebrates its 10th anniversary this month by showcasing films and directors from the Sundance Film Festival, the grand dame of independent cinema. Among the hits that premiered at Sundance now showing in Istanbul are Oscar-nominated "Winter's Bone," an Ozark Mountain girl's coming-of-age tale, and "Four Lions," British director Chris Morris' black comedy about militants. "Amreeka," in which a Palestinian mother and son immigrate to suburban Chicago, is part of the Sundance Institute's new touring programme. Film Forward aims to unite US filmmakers with their international peers at workshops and screenings.