ancient traditions ant the pressures of the modern world. >> what's that? >> everything dings these days, doesn't it? everything has to have a bell. >> thank you. >> i want to show you my valley. >> but some umbrians like carlo believes there's a way to combine the past with the present, to fuse the old with the best of the new. ♪ this place is incredibly beautiful. so this is all the trees that you have planted. >> yeah. 20, 21 or so. >> each of these trees holds a secret. what you see laid out here in a perfect grid is a truffle plantation, yes.