famine, food shortages, and sanctions, food security is a priority. farmer kim hak bau. why is it important for your country to be able to grow its own food? "hostile countries like the usa and japan that do not think well of our country impose sanctions on us," he said. "so we're cultivating our own food with our own hands." they're trying to build a self-reliant north korea that can survive diplomatic isolation and provide for the next generation. ♪ farmers' children who have already mastered patriotic songs that praise the country's leaders. they're just 4 years old. despite the government's emphasis on farming, the u.n. said last week that food production here fell 9% last year because of drought. that's the first decline since 2010 and stands to make this country's already-fragile food situation worse. gayle? >> thank you, adriana diaz from