Cinematographer Edward Lachman used various film stocks to differentiate her story. 35mm was used for the main narrative, 16mm was used for her imagination, and 35mm black-and-white for her memories.

What black and white smoke means After the cardinals' votes are counted, the paper ballots are burned in a stove in the Sistine Chapel. Black smoke emerging from the chimney means the world's 1.4 ...