ULAANBATAAR, MONGOLIA - OCTOBER 18: A family poses in front of the Gandan monastery on a special day on the Lunar calendar for wedding ceremonies October 18, 2012 Ulaanbataar, Mongolia. Mongolia has ... more 

ULAANBATAAR, MONGOLIA - OCTOBER 18: A family poses in front of the Gandan monastery on a special day on the Lunar calendar for wedding ceremonies October 18, 2012 Ulaanbataar, Mongolia. Mongolia has been undergoing massive social, economic and political changes since gaining independence from China some 100 years ago, and removing itself from the Soviet Bloc more than 20 years ago. The Oyu Tolgoi copper and gold mine is Mongolia's biggest foreign investment project to date adding an estimated 35% value to the country's GDP. (Photo by Paula Bronstein/Getty Images) less