Display device, control device and control method thereof, display system, and storage medium

A control device of a display device, the control device comprising:

• an image acquisition unit configured to acquire an image of an environment around a moving body captured by a camera mounted on the moving body;
• a display control unit configured to display a display range that is a part of the image on the display device;
• an instruction acquisition unit configured to acquire, from a user of the display device, while displaying a first portion of the environment on the display device, a change instruction to display a second portion of the environment on the display device;
• and
• a requesting unit configured to request the moving body to be oriented to the second portion of the environment, wherein
• the display control unit is configured to
• in response to acquiring the change instruction, move the display range of the image in a first direction such that the second portion of the environment is displayed on the display device, and
• move the display range of the image in a second direction opposite to the first direction while the moving body rotates to be oriented to the second portion.