Living With the Enemy

S1 E3: Samira Ahmed heads to the crumbling ruins of an ancient walled city and travels back to the time when Persia faced its gravest threat: Genghis Khan. But from the death and destruction this wrought, a golden age of Persian poetry and art emerged. Through waves of invasion, attack and foreign influence, the spirit of the region thrived. How was Persia able to successfully hang onto its culture?