An aged woman mourn her relatives killed during the devastating earthquake striking southwest China's Sichuan Province on May 12, 2008, in Beichuan County, southwest China's Sichuan Province, on April 4, 2009. Beichuan County, one of the most seriously hit areas by last year's dissolving earthquake, opened to the public in recent days for the traditional Qingming Festival or Tomb-sweeping Day. [Xinhua]