Living through Iran's 'cultural revolution'
5 July 2016 Last updated at 08:22 BST
In summer of 1980, Iran's religious leaders set up eliminating opposition to their rule.
To stamp out secular leaders and religious moderates within the country's universities they announced a cultural revolution to "cleanse" them of non-Islamic elements.
Mehdi Khorasani was a maths student who, along with some of his fellow students, tried to resist.
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