A mobile body comprising: an imaging unit configured to capture image data; a movement mechanism configured to move the mobile body; a wireless communication unit configured to perform wireless communication; and an information generator configured to generate, on a basis of external information received from outside by the wireless communication unit, route guidance information for use in allowing the movement mechanism to move the mobile body; wherein the information generator is configured to use captured image data obtained by the imaging unit, position information of the mobile body, and map information to generate the route guidance information; wherein a plurality of kinds of move modes used for movement by the movement mechanism are provided, wherein the mobile body is configured to receive, via the wireless communication, mode setting information from an operation device used by a user, the mode setting information indicating a move mode set by the user, wherein the external information is used in accordance with the move mode set by the user; wherein the information generator is configured to generate the route guidance information with use of a correspondence relationship between mode setting information indicating the move mode and information including the external information corresponding to each of the plurality of kinds of move modes; characterized in that the route guidance information includes at least two routes, wherein the captured image data, the position information, and the map information are stored together with data update time information regarding the captured image data, and wherein the information generator is configured to automatically generate the route guidance information on a regular basis with use of the data update time information, with updated image data being stored as the captured image data on a regular basis, and with the map information being automatically updated on a regular basis, wherein the mobile body is configured to transmit, via the wireless communication, the route guidance information to the operation device, wherein the mobile body is configured to receive, via the wireless communication, route information, the route information indicating a route selected by the user, the selected route being one of the at least two routes included in the route guidance information, wherein the mobile body is configured to control movement of the movement mechanism based on the route selected by the user. an imaging unit configured to capture image data; a movement mechanism configured to move the mobile body; a wireless communication unit configured to perform wireless communication; and an information generator configured to generate, on a basis of external information received from outside by the wireless communication unit, route guidance information for use in allowing the movement mechanism to move the mobile body; wherein the information generator is configured to use captured image data obtained by the imaging unit, position information of the mobile body, and map information to generate the route guidance information; wherein a plurality of kinds of move modes used for movement by the movement mechanism are provided, wherein the mobile body is configured to receive, via the wireless communication, mode setting information from an operation device used by a user, the mode setting information indicating a move mode set by the user, wherein the external information is used in accordance with the move mode set by the user; wherein the information generator is configured to generate the route guidance information with use of a correspondence relationship between mode setting information indicating the move mode and information including the external information corresponding to each of the plurality of kinds of move modes; characterized in that the route guidance information includes at least two routes, wherein the captured image data, the position information, and the map information are stored together with data update time information regarding the captured image data, and wherein the information generator is configured to automatically generate the route guidance information on a regular basis with use of the data update time information, with updated image data being stored as the captured image data on a regular basis, and with the map information being automatically updated on a regular basis, wherein the mobile body is configured to transmit, via the wireless communication, the route guidance information to the operation device, wherein the mobile body is configured to receive, via the wireless communication, route information, the route information indicating a route selected by the user, the selected route being one of the at least two routes included in the route guidance information, wherein the mobile body is configured to control movement of the movement mechanism based on the route selected by the user.