It looks like the documentary might be using a mix of reenactments, dramatized scenes, or repurposed footage from previous programs to fill in gaps or enhance the storytelling. It feels staged or inauthentic, especially if the transitions between original and reused material aren’t seamless. For the cave discovery, it seems overly dramatic or “too perfect,” it could be an artistic choice to heighten the tension or interest, though it might detract from the credibility for some viewers. 剪剪貼貼 湊成的片子 再找個配音員,遺憾!