Strong winds ripped off the external wall of a residential building in north China, injuring a security guard and damaging two vehicles.<br /><br />The video, filmed in Daqing City in Heilongjiang Province on May 16, shows the outer wall crumbling off a building and falling onto the cars parked underneath.<br /><br />A security guard was hit by the fallen outer wall and fainted after trying to protect students coming back from schools during lunch break.<br /><br />Fortunately, he was sent to hospital in time and was not injured severely.
