Descending in an unexplored area of Katalekhore Cave. we are going to survey new discovered areas to complete the German's map.
Read about Katalekhore Cave:
http://www.katalehkhourcave.com/new/en/user/temp.php?irantech_cms=130
http://en.wikipedia.org/wiki/Katale_Khor
Look where it is: http://wikimapia.org/7836784/fa/%D8%BA%D8%A7%D8%B1-%DA%A9%D8%AA%D9%84%D9%87-%D8%AE%D9%88%D8%B1