The film “Green Book,” starring Mahershala Ali and Viggo Mortensen is nominated for five Oscars, including Best Picture, Best Actor and Best Supporting Actor. The story, set in the early 1960s, centers on an interracial friendship. But it also shows the discrimination African-Americans faced while traveling across the country during the Jim Crow era, before civil rights reforms. Reporter Mike Osborne reports on an effort underway to document businesses that welcomed those travelers.

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