1. A method for displaying a terrain image, comprising: receiving a moving video image of terrain obtained from an aircraft flying above the terrain as the aircraft is flying above the terrain; detecting an image of an object in the image of the terrain for an object that is positioned between the terrain and the aircraft flying above the terrain; replacing the detected image of the object in the image of the terrain with replacement image data; and displaying the moving video image of the terrain with the replacement image data on a display device in the aircraft as the aircraft is flying above the terrain, wherein the display device is substantially flush with a floor in the aircraft.