ÃÛÑ¿´«Ã½

Available for over a year

It's estimated that more than 150,000 of Iran's best young minds have been leaving the country each year. Some go back in later life - but not all - and it costs the economy billions of dollars. Many of these young Iranians come to study in London, and a couple of them have been telling Owen Bennett Jones about their hopes for their country's future. (Photo credit: Getty Images)