What is the History of the Shrine of Imam Ali (A)?

There are different stories regarding the history of the Shrine of Imam Ali (A). Some believe Harun al-Rashid built it, others believe that story is a fabrication, due to al-Rashid's destruction of the shrine of Imam al-Husayn (A). So what is the real story? Watch the video to learn the true history of the shrine of Imam Ali (A).