nearly five years. he was feenlly released by iranian authorities last month. he spoke to cnn s becky anderson about his harrowing ordeal. this is the yard and we have two trees here. that is before i had hide that shelter for myself. reporter: he showed me the yard inside tehran s notorious prison where he worked hard to create a semblance of normality. so i used to sit here, even during winter. and uh, when it was even snowing. reporter: it s been just over a month since he was releashed from evan prison, along with the british aide worker ratcliff. at his home in south london, he is far from the iranian prison where he spent nearly five years. later, i discovered his skeleton. how does it feel? fantastic. unbelievable. still, i am adjusting to my new environment.