The audio quality of the documentary is impeccable, with a rich sound design that complements the visuals and narration. The editing techniques seamlessly weave together historical footage, interviews with experts, and stunning visuals of ancient ruins. The color grading evokes the essence of each civilization, from the golden hues of Egyptian deserts to the lush greens of Mayan jungles. Special effects are sparingly used but add a touch of magic to key moments in the documentary, enhancing the storytelling.