1. An image display method for displaying, after imaging, a plurality of image data each relating to attribute data, comprising: disposing a reference image object for indication of each of the plurality of image data at a position based on any one of the corresponding attribute data in a virtual horizontal plane in a virtual three-dimensional (3D) space; selecting one or more of the image data from the plurality of image data; disposing a viewing image object for indication of the selected image data at a position of any of the corresponding reference image objects moved in a direction of a normal or a substantially normal to the virtual horizontal plane; setting a field of view in the virtual 3D space; and imaging the virtual 3D space in the field of view set in the setting the field of view.