Since 1999 northern China frequently occurred the sand floating. According to the natural rules, that possibly indicates that China enters a new period for frequently occurring the sand floating. At present the experts strictly monitor the weather for making the most correct judgment...

Last spring, sand floating frequently appeared in northern China and 18 times until May 20th, 3 times more than the spring last year. Experts warned that it was hard to say whether such weather appearing again because of the several years of drought and bad vegetations...