This photo shows the Uurgat lava field with the Khangai Mountains in the background and the seasonal homes of nomadic herders in the lower right. An international team of researchers took wood samples of the Siberian pines growing on the lava field to construct a drought chronology reaching two centuries into the past.
The photo "Uurgat lava field in Mongolia" may only be used to illustrate a story about the research described in the accompanying news release, "Droughts in Mongolia -- Past, Present and Future." Please make sure to credit the photo as requested. Do not post this photo independent of the story.