High in the Hindu Kush Mountains of northwest Pakistan, a small tribe clings to an ancient pre-Islamic culture. Paler skinned than the other people in the region, some claim the Kalash are descendants of Greek and Macedonian soldiers who marched through the area under Alexander the Great more than 2,000 years ago. But their unique culture is under threat from Islamic missionaries, conflict, and economic hardship. (Ghulam Ghaus, RFE/RL's Radio Mashaal)