Map of Bhutan (2010).
Source: CIA World Factbook, converted from original GIF format Webpage: https://www.cia.gov/library/publications/the-world-factbook/geos/bt.html Image: https://www.cia.gov/library/publications/the-world-factbook/graphics/maps/large/bt-map.gif. http://en.wiktionary.org/wiki/File:Bhutan_CIA_WFB_2010_map.png
Author: United States Central Intelligence Agency