Video display system and a video display method

Image display system according to the present invention includes a camera for imaging the background, a monitor for displaying the captured background image, and an optical lens provided on the display surface side of the monitor, the monitor picture by an optical lens by substantially matching the background surface a virtual image of, when the viewer views the background monitor over, keeping the visual continuity of the monitor image and the background is visible to the viewer. Thus, observer when viewed monitor direction, to provide an image display system and image display method which can be visually recognized by an observer keeping the visual continuity of the monitor image and the background.