Photograph from space showing the area of the Florida Keys. The platform interior behind the cays is a muddy, restricted environment with well-developed lime mud banks. In front of the cays are the open platform interior and a platform-margin barrier reef. Image by Scientific Visualization Studio, NASA Goddard Space Flight Center; data courtesy Landsat Project (Photograph from space showing the area of the Florida Keys. The platform interior behind the cays is a muddy, restricted environment with well-developed lime mud banks. In front of the cays are the open platform interior and a platform-margin barrier reef. Image by Scientific Visualization Studio, NASA Goddard Space Flight Center; data courtesy Landsat Project (http://visibleearth.nasa.gov/data/ev58/ev5890). VE Record ID:5890.). VE Record ID:5890.