and i asked him and his co-writer, christopher riley, to take us on their journey. tom hanks, chris riley, welcome to the program. good to see you. this is a quintessentially american story. so why is it debuting in london? >> this very facility that we are sitting in now in kings cross is the most it is the most unique, immersive venue i've ever come across in my life. >> well, the first time we came here, we see an exhibit of david hockney paintings. now, i thought i was going to be seeing an exhibit of david hockney paintings. i didn't realize i was going to be walking into one of his paintings, as david himself was, was painting it all around you, seeing that that was possible, i immediately went to the powers that be, richard slade and everybody else said, you know, you could put people in the taurus-littrow valley where we are sitting right now on apollo 17, and it would be as though we are sitting right on the moon. have you guys thought about that? and they said, no, but would you like to think about it with us? and so here we are. >> and the two of you wrot