The Mausoleum of Mohammed V is a historical building located on the opposite side of the Hassan Tower on the Yacoub al-Mansour esplanade in Rabat, Morocco. It contains the tombs of the Moroccan king and his two sons, late King Hassan II and Prince Abdallah. The building is considered a masterpiece of modern Alaouite dynasty architecture, with its white silhouette, topped by a typical green tiled roof, green being the color of Islam. A reader of the Koran is often present, having his assigned seat. Its construction was completed in 1971. Hassan II was buried there following his death in 1999.