Display control device (100, 100a), comprising: a first
mobile object information acquisition unit (110) to acquire first
mobile object information specifying a position, speed of movement and direction of movement of a first
mobile object (1) moving within a facility; a second mobile object
information acquisition unit (120) to acquire second mobile object information specifying a position, speed of movement and direction of movement of a second mobile object (2) moving within the facility; an
image acquisition unit (170, 170a) for acquiring image information based on the first mobile object information acquired by the first mobile object
information acquisition unit and the second mobile object information acquired by the second mobile object information acquisition unit, which displays a display image to be shown in a room in the facility by a display
output device (11, 11-1, 11-2, 11-3, 11-4) installed in the facility, wherein the room is visible to the first mobile object or the second mobile object; and an image output unit (180, 180a) to output the image information captured by the
image acquisition unit, characterized by the fact that The
image acquisition unit captures the image information based on a pre-defined motion rule, in addition to the first mobile object information captured by the first mobile object information acquisition unit and the second mobile object information captured by the second mobile object information acquisition unit. or The display control device (100, 100a) further comprises a motion command unit (150) to output motion command information, if the first mobile object or the second mobile object is an autonomous
mobile device that moves in the facility on the basis of a pre-defined motion plan, specifying a motion command for the first mobile object or the second mobile object that is the autonomous
mobile device, wherein the motion command unit outputs the motion command information corresponding to the display image shown by the image information acquired by the image acquisition unit.