Rice terraces Obama Genoa (Banaue Rice Terraces) Gao Fu's native tribes (Ifugao) is the creator of this piece of wisdom to Luzon (Luzon) in the north of the Philippines. Older than 2000 years to increase the area of cultivation. It also maintains soil. Allows rainwater harvesting And flood protection as well. Organization, UNESCO honored this place as a World Cultural Heritage Act 2538.