Outside image information corresponding to an outside image of the outside of a moving body photographed from the moving body is acquired, autonomous driving information indicating the state of autonomous driving control of the moving body is acquired, based on the outside image information and the autonomous driving information, display information for simultaneously displaying at least a part of the outside image and the autonomous driving state image indicating the state of the autonomous driving control of the moving body at the time of photographing the outside image is acquired, and the display information is recorded in a recording medium.