The tomb of Mohammed V Ben Youssef A historic building located opposite Hassan's silo on the square of Yacoub El Mansour Almohadi in the Moroccan city of Rabat. The mausoleum contains the tombs of the late Moroccan king and his two deceased sons: King Hassan II and Prince Abdullah. The white-edged building and the green peak are a contemporary architectural masterpiece of the Alawites. And often there is a reader of the Koran and has a competent jurisdiction. It was completed in 1971 and King Hassan II was buried there after his death in 1999.