This year, the agriculture ministry is highlighting its food sustainability program through diversification of local foods. But the movement has already been initiated in a number of regions. The regency government of Sigi, Central Sulawesi, is training locals to produce tortilla from local crops such as purple yam, corn and cassava. Meanwhile, Kampung Turu residents in the Yapen Islands Regency, Papua, are making pizza from keladi, a tuber plant