Why is the ID photo of the Commission for Discipline Inspection and Supervision in black background?

The ID photos of the Commission for Discipline Inspection and Supervision have a black background to highlight the clarity and accuracy of the photos and ensure the authenticity and legibility of the ID photos. When taking ID photos of the Commission for Discipline Inspection and Supervision, professional shooting equipment and lighting settings are usually used. Photographers will use a black background cloth or background board to ensure that the background is completely black to highlight the people being photographed. At the same time, through appropriate lighting and adjusting camera settings, ensure that the characters present a clear and bright image against the black background.