“Therefore, the Muslims went to great lengths to block the tendency to do so at the grave of the Prophet (saws). They raised the dirt walls around it high, completely surrounding it and blocking off the entrances to it. Then they feared that the location of his grave might be turned into a direction for prayer, because it was in the direction the worshippers face and some of them might get the idea that facing it was an act of worship. For this reason, they built two walls at the northern corners of the grave and placed them at a slant so that they would form a triangle with on of its corners pointing to the North. In this way, no one could be able to directly face the grave while making his prayer.“