An information processing device comprising: a communication unit configured to receive data from a plurality of communication destinations, the data including, for each communication destination, a video of the space of the respective communication destination; a three-dimensional space generation unit configured to generate a three-dimensional space to be displayed on a display unit, and a spatial image information generation unit configured to generate spatial image information placed at a predetermined position in the three-dimensional space by using the videos of the plurality of the communication destinations; and an output unit configured to perform control so as to display the generated spatial image information on a display unit; and an operation interface that is configured to receive operation input from a user, characterized in that the three-dimensional space generation unit is configured to place a virtual object at the predetermined position in the three-dimensional space, and the spatial image information generation unit is configured to fit the video of each of the communication destinations into an opening of the virtual object, wherein the virtual object is a house (21, 21B, 21C), wherein the information processing device comprises a spatial distance control unit that is configured to control a distance to each virtual object placed in the three-dimensional space based on a degree of exposure, wherein the operation interface is configured to output the operation input to the spatial distance control unit and the three-dimensional space generation unit, wherein the degree of exposure is manually settable by the user via the operation interface, wherein, in case that low exposure is set as the degree of exposure, the distance to the virtual object is set to a long distance, wherein, in case that medium exposure is set as the degree of exposure, the distance to the virtual object is set to a medium distance, wherein, in case that high exposure is set as the degree of exposure, the distance to the virtual object is set to a short distance, and wherein the distances to the virtual objects are individually controllable. a communication unit configured to receive data from a plurality of communication destinations, the data including, for each communication destination, a video of the space of the respective communication destination; a three-dimensional space generation unit configured to generate a three-dimensional space to be displayed on a display unit, and a spatial image information generation unit configured to generate spatial image information placed at a predetermined position in the three-dimensional space by using the videos of the plurality of the communication destinations; and an output unit configured to perform control so as to display the generated spatial image information on a display unit; and an operation interface that is configured to receive operation input from a user, characterized in that the three-dimensional space generation unit is configured to place a virtual object at the predetermined position in the three-dimensional space, and the spatial image information generation unit is configured to fit the video of each of the communication destinations into an opening of the virtual object, wherein the virtual object is a house (21, 21B, 21C), wherein the information processing device comprises a spatial distance control unit that is configured to control a distance to each virtual object placed in the three-dimensional space based on a degree of exposure, wherein the operation interface is configured to output the operation input to the spatial distance control unit and the three-dimensional space generation unit, wherein the degree of exposure is manually settable by the user via the operation interface, wherein, in case that low exposure is set as the degree of exposure, the distance to the virtual object is set to a long distance, wherein, in case that medium exposure is set as the degree of exposure, the distance to the virtual object is set to a medium distance, wherein, in case that high exposure is set as the degree of exposure, the distance to the virtual object is set to a short distance, and wherein the distances to the virtual objects are individually controllable.