Chinese President Xi Jinping called on the country to advance key infrastructure projects in Tibet such as its massive 1.2 trillion yuan ($167 billion) mega-dam to spur development in the region.

President Xi Jinping urged unity on a surprise visit to Tibet, appearing before 20,000 people to mark 60 years since China created the autonomous region after annexing it.

Following the Dalai Lama’s 90th birthday, and in advance of the 60th anniversary of the Tibet Autonomous Region, Beijing puts on a show of force.