Visiting The Prophet's Grave in Madinah زيارة قبر النبي صلى الله عليه وسلم في المدينة

Do you that the visiting the prophet's grave is sunnah?
Do you know how and what words to recite when standing before the prophet's grave ?
Do you know who else to salute when you are there ?
مشروعية زيارة قبر النبي الأع…