Volunteer work for controlling sandstorm sources kicks off in N China

A volunteer plants sand-protecting barriers in Baoshaodai Nur, Zhenglan Qi, North China's Inner Mongolia autonomous region, Aug. 4, 2015. The volunteer work of Beijing-Tianjin university students for controlling sandstorm sources in Baoshaodai Nur kicked off on Aug 2. [Photo/Xinhua]

Photo taken on Aug. 4, 2015 shows the scene of sand control activities in Baoshaodai Nur, Zhenglan Qi, North China's Inner Mongolia autonomous region. The volunteer work of Beijing-Tianjin university students for controlling sandstorm sources in Baoshaodai Nur kicked off on Aug 2. [Photo/Xinhua]

Volunteers plant sand-protecting barriers in Baoshaodai Nur, Zhenglan Qi, north China's Inner Mongolia Autonomous Region, Aug. 4, 2015. The volunteer work of Beijing-Tianjin university students for controlling sandstorm sources in Baoshaodai Nur kicked off on Aug 2. [Photo/Xinhua]?