Bodyguards surround the shah in 1971: A young woman approaches Shah Mohammad Reza Pahlavi (far right) at a huge party marking the 2,500th anniversary of the Persian monarchy - the extravagance of the event was widely condemned by his left-wing and clerical opponents. "By this time, the shah was already very much disliked and some believe this image of excess and indulgence may have contributed to events leading up to the revolution eight years later," Prof Afshar explains.