The wild horse, known as the #mustang, is the enduring icon of America. Executive produced by #RobertRedford with songs by #BruceSpringsteen, #EmmylouHarris &amp; #WillieNelson.

Watch Mustangs: America's Wild Horses Wednesday at 7pm and stream on the PBS app:
#mustang #RobertRedford #BruceSpringsteen #EmmylouHarris #WillieNelson