sacred history. hano-hano is the caretaker of the fishpond. he's a local community leader here in molokai. also here is the famous walter ritte. >> everybody knows how valuable all of this stuff is, because we can see what happened to the rest of the islands. >> so essentially an old-school fish farm. >> 800 years old. >> 800 years old. >> modernizing one old idea, and an ancient idea is as simple as feeding your community. and this, the island you're on, this place could feed over a million people back in the day. >> you hear the word again and again on molokai, "aina," which means land, and translates to "that which feeds you." springs, mountains, rivers. these lands, these fish ponds, were managed by their ancestors as a sacred trust. here, where fresh water from the mountains and fast moving ocean waters met, early, sustainable, clean fish farms, something in modern times we are still struggling to figure out. >> because you heard what people