Tree branches are covered with snow near the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, March 20, 2009. [Xinhua]
![Tree branches are covered with snow near the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, March 20, 2009. [Xinhua]](http://images.china.cn/attachement/jpg/site1007/20090320/000bcdb95f1d0b2d8d6e21.jpg "Tree branches are covered with snow near the Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, March 20, 2009. [Xinhua]")