The document discusses the different tribes of the Igorot people who live in the mountains of northern Luzon in the Philippines. It mentions the Bontoc, Ibaloi, Ifugao, Isneg/Apayao, Kalinga, and Kankana-ey tribes and notes that Igorot means mountain people. It also lists Sagada cave, Baguio City's lions head, and rice terraces as things related to the Igorot people.