Farmers turn to indigenous grains to fight the hunger war.

The UN set up its Food and Agricultural Organisation some 67 years ago to tackle world hunger.

But, decades later, malnutrition and starvation remain major global issues.

In the Peruvian Andes, people are looking to ancient indigenous crops for a solution – such as the protein-rich Quinoa grain.

On the UN’s World Food Day, Al Jazeera’s Mariana Sanchez reports from Cusco, Peru.