What are the Philippine culture during the indigenous era?

what are the Philippine culture during the indigenous era?They belong to different ethnic groups, such as Bontoc, Ibaloi, Ifugao, Isneg, Kalinga, Kankanaey, and Tingguian. The Gadang, Ilongot, and Ivatan are found in the Cagayan Valley, Isabela, Nueva Vizcaya, and Quirino. The Negrito groups are found in North, Central, and Southern Luzon.

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