Howie Severino's documentary team travels to a small town where artists have invented a novel alternative, a kind of mask that produces food once it’s discarded. But is it really safe during a pandemic? #IWitness #MaskLand #IWitnessWithEnglishSubtitlesbr br ‘I-Witness’ is GMA Network's longest-running and most awarded documentary program. It is hosted by the country’s top documentarists --- Howie Severino, Sandra Aguinaldo, Kara David, and Atom Araullo. ‘I-Witness’ airs every Saturday, 10:30 PM on GMA Network.br br Subscribe to youtube.comgmapublicaffairs for our full episodes.