Visitors take photos in the snow at the county seat of Shangri-La County on March 3. Artificial snow has been triggered successfully in Diqing Tibetan Autonomous Prefecture in Yunnan Province by the local meteorological department since March 1. Most of regions within Shangri-La County, Deqin County and Weixi Lisu Nationality Autonomous County have seen snowfall and rainfall which alleviated the severe drought the regions have been suffering since last year. [Xinhua]