"The Edrengiyn Nuruu forms a transition zone between the Mongolian steppes to the north and the arid deserts of northern China to the south.This image was acquired by Landsat 7's Enhanced Thematic Mapper plus (ETM+) sensor on August 13, 1999. This is a false-color composite image made using shortwave infrared, infrared, and green wavelengths. Image provided by the USGS EROS Data Center Satellite Systems Branch." From Earth Observatory Nasa Website