BURNS’S BRIDGE Brooklyn-born filmmaker Ken Burns presents and discusses his documentary “Brooklyn Bridge.” New York historian Kenneth Jackson introduces and moderates the event. Tonight, 7 p.m., Brooklyn Public Library, Central Library, Grand Army Plaza, Brooklyn, 718-230-2100, free.

GRETA AS ANNA In celebration of the 100th anniversary of Greta Garbo’s birth, Scandinavia House presents the film series Forever Garbo. Up next: Garbo plays the title role in Clarence Brown’s “Anna Karenina” (1935). The performance was Garbo’s second as Tolstoy’s tortured heroine. It earned her the New York Film Critics Circle Award for the “best feminine performance” of 1935. The screening is preceded by documentary footage from the Swedish Film Institute. One short features Garbo aboard a ship traveling to New York from Stockholm in 1929. A 1948 film test shot by Joseph Valentine for a production that was never made will also be shown. Tomorrow, 5:30 p.m. and 8 p.m., Saturday, 3 p.m., Scandinavia House, 58 Park Ave., between 37th and 38th streets, 212-879-9779, $8 general, $6 members.

POLISH STORY Slawomir Grunberg’s documentary “The Legacy of Jedwabne” tells the story of Jews in a small Polish town in 1941, who were massacred by the town’s Polish Christians, not by the Nazis. The story was uncovered by journalist Jan Gross in his book “Neighbors.” After two screenings this week, the director participates in a question-and-answer session with the audience. Tomorrow and Thursday, 7:30 p.m., Makor, Steinhardt Building, 35 W. 67th St., between Central Park West and Columbus Avenue, 212-415-5500, $15.

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