NEW YORK (AP)  — Having already done the Civil War and World War II, Ken Burns is working on a documentary about the Vietnam War.

PBS said the 10- to 12-hour film by Burns and longtime partner Lynn Novick will be broadcast in 2016.

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Burns said his film will tell the human stories of Americans and Vietnamese affected by the war, along with those of Americans who protested against it. He said that four decades after the war’s end, most people have opinions about it but few truly know its history.

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PBS is rebroadcasting Burns’ “The Civil War” next week to commemorate the 150th anniversary of the beginning of that conflict.

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