Fifty years is a short period in the long process of human history. However, in the past 50 years Tibet, an ancient and mysterious land, has undergone tremendous changes far beyond comparison with those in any other era.

• 五十年在人类历史长河中不过是短暂的瞬间，但在西藏这片古老而神奇的土地上却发生了以往任何时代都无法比拟的巨大变化。