Sandstorm in the Saudi capital

In one day in the Saudi capital Riyadh One night there was air very severe and I did not happen and I was early in the morning much wind and intense air and surprised by a storm sandy severe and most people going to work and surprise all and some people walking in the streets, some of them driving their car total flabbergasted because Lack of visibility
  and people do not see in front of them to a very close distance stopped cars In the streets, and some fled to their homes to have attracted their fear and cause gathered cars in some of the incidents and some of the people, Move to hospitals for treatment of shortness of breath and was Sandstorm enter the buildings through windows and everyone was having difficulty breathing and was some dust entering through air conditioners In this day prevent students from attending to school This all happened in Sandstorm These pictures of storms and damaging