It's hard to miss Potala Palace, a UNESCO World Heritage Site. This grand, imposing structure stands more than 12,000 feet above sea level on Marpo-ri, or Red Hill, in the middle of central Lhasa.
BEIJING, Feb. 15 (Xinhua) -- For those concerned about altitude sickness, a virtual reality (VR) immersive expedition in Beijing offers a unique opportunity to explore the Potala Palace ...