A worker is seen grinning at a building site in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

A girl whose family were displaced due to the mudslide simles at the camera in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

A baby smiles as a photographer shoots her in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

 A vendor selling yarn simles at the camera in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

Boys are seen grinning in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

A girl reacts as she is shot by a camera at her home in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

An old resident simles as she looks at the camera in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]

Women carry watermelons in Zhouqu County of Gannan Tibetan Autonomous Prefecture, northwest China's Gansu Province, Aug. 2, 2011. After a year's recovery from the deadly mudslide which occurred on Aug. 8, 2010, the beautiful county of Zhouqu has resumed hustle and bustle as the life goes on the way it did. [Photo/Xinhua]