beautiful. so this is all of the trees you have planted. >> yeah, 20, 21 years old. >> each of these trees holds a secret. what you see here laid out in a perfect grid is a travel plantation. yes, black truffles that are far farmed not forged. >> [speaking non-english] >> 30 or so years ago, not many people had ever really heard of this umbrian ingredient. but now carlo can barely keep up with the ingredient demand, and neither can mother nature. so he has come up with a solution. >> [speaking non-english] [speaking non-english] >> to create the ideal conditions for travels to grow,