What results is 3 layers of rectal wall overlaid. Like Earth, Mars has differentiated into a dense metallic core overlaid by less dense materials. These scenes are overlaid with mythical undertones, poetically capturing sensations of dread and unease. Zorses combine the zebra striping overlaid on colored areas of the hybrid's coat. Eggs are usually just white, though may sometimes be overlaid with sparse red-brown markings. Although the images are sharp, they are typically overlaid by a fog filter. A grid is overlaid on a community map. Heater shields were typically made from thin wood overlaid with leather. In addition, interactive 2D content can be overlaid on 3D surfaces natively. A battalion structure was overlaid on the existing Rhodesian Army. Screens can be overlaid by dragging each up or down by their title bars. The floor of the Temple was of fir overlaid with gold. The ground around their bases appears to be overlaid by frozen lava flows. These are overlaid by sandstones and limestones in the west, and clay in the east. Three antennas were overlaid on top of each probe.