I did a cursory search after reading your comment (because now I'm wondering, too), and I found this, in an interview with the directors:
Kotevska had already suspected she was a compelling character when Stefanov had brought back pictures of Hatidze after a scouting expedition to the region with the intention of making a film about bees’ crucial ecological role (source), so it seems as if it was the ecological thing that was the prompt, and then they found the woman.
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Date: 2019-10-23 03:13 pm (UTC)Kotevska had already suspected she was a compelling character when Stefanov had brought back pictures of Hatidze after a scouting expedition to the region with the intention of making a film about bees’ crucial ecological role (source), so it seems as if it was the ecological thing that was the prompt, and then they found the woman.