beth lies down beside me and rests her head on my shoulder . `` just clay plastered on a stack of hazel . maybe ... i can go back in time . `` but that was like six miles ago . '' `` no , i was going to call the airlines and see if i could use the same ticket on a later flight . dan dropped his crisp packet onto the floor . below , a plain of wild brown grasses rolled in the wind , no signs of humans . 