Beijing, lanzhou January 25 (reporter Zhi-jun feng) a winter rare large dust weather 25th afternoon attack in the hexi corridor in gansu province, and to the provincial capital of lanzhou "into" wuwei city minimum visibility 305 m dust storms. As a first dust weather this year, making more get arranged to market but temporarily closed, are stepping up the organization of the goodies for the local people were forced to go home. On the same day, gansu hexi five city...