Tibet: Tensions on the roof of the world

For people who track daily life in Tibet, demonstrations of dissent are just a spark away from being reignited. "Tibet is one of the regions in China where political oppression and religious oppression are at the highest point," says Nicholas Bequelin, East Asia Director at Amnesty International. Much of the tension stems from concerns over the influx of Han Chinese -- China's dominant ethnic group -- into Tibet. In 1964, there were just 39,500 Han Chinese in the remote region, just under 3% of the population, according to scholars. That figure now stands at 245,000, according to the 2010 census figures. Read more