Where is the AD 16 film set?

The so-called negative film layer (in English, called plane) is to run wires on a whole page of copper, where the wires run are insulators and where the wires don't run are copper. Commonly known as negative. Black-and-white or color photographic film that has been exposed, developed and fixed, and is opposite in brightness or complementary in color to the original scene. Used to print and play photos or movies.

Photographic negative. Because the image on the negative is just the opposite of the light and shade of the actual image, it is called. Science Illustrated 1983 No.3: "For a long time, photography first imaged the negative film and then developed it into a positive film.