2010 China drought and dust storms the drought, including a three-day tour in mid-March in Yunnan, including Luliang County, which had seen no rainfall since August, to promote water conservation, and another visit in early April 2010 to several Miao and Buyei Autonomous Prefectures in Guizhou, some of the worst-hit places where farming has been made impossible. Most provinces in South China affected by the drought were hit by a series of floods beginning in mid-May that ended most of the drought but also destroyed large areas of farmland. Strong dust storms from the Gobi Desert in Mongolia hit Xinjiang Autonomous Region, Inner Mongolia, Shaanxi, Shanxi,
China winter and summer. In the winter, northern winds coming from high-latitude areas are cold and dry; in summer, southern winds from coastal areas at lower latitudes are warm and moist. The climate in China differs from region to region because of the country's highly complex topography. A major environmental issue in China is the continued expansion of its deserts, particularly the Gobi Desert. Although barrier tree lines planted since the 1970s have reduced the frequency of sandstorms, prolonged drought and poor agricultural practices have resulted in dust storms plaguing northern China each spring, which then spread to other parts of