To allow visitors of a facility or a factory to grasp the operating condition of equipment etc. with a feeling of presence.

An information processor comprises: captured image input means which inputs a captured image of equipment imaged by an imaging device; measurement information input means which inputs measurement information measured by a sensor provided in the equipment; generation means which generates a virtual image showing an outside or internal situation of the equipment based on the measurement information input by the measurement information input means; and display control means which superposes the virtual image generated by the generation means and the captured image input by the captured image input means so as to be displayed on a display device.