white surface with a circular hole in the center, surrounded by a black ring

white surface with a circular hole in the center, surrounded by a black ring. The surface appears to be plastic, and the hole is slightly off-center. There are no people, subjects, or actions shown in the image. The location is in Mapo-gu, South Korea, at the coordinates 37.548 latitude and 126.919 longitude. The environment is not visible in the image.