Truffle hunting is a peculiar activity, one that requires the collaboration of a dog. And you never want to let on how many truffles you find, even if you are friends with other truffle hunters.

This episode is about a specialty from Colonnata, a little village above Carrara, where marble is quarried. It's pork lard, which may not sound very appetizing but is beloved by Italians all over the peninsula. A little goes a long way, but savored with typical unsalted Tuscan bread, it is pretty special. And marble plays an important part.

This is the story of an Italian, who haveing been brought up on a dairy farm, travels the world, ending up in Australia, only to return to Italy with some new ideas about the cheese he wants to create.

The bread from Altamura (in Apulia) is very famous among Italian bread connoisseurs. Beppe di Gesù, our host in this segment, comes from a long line of bakers. Breadmaking is so special that it's called l'arte bianca (the white art), because of the color of the flour.

The deepest part of the Mediterranean is located between Apulia and Greece. There, conditions are such that there is plenty of food for predators. With the "Researcher for a Day" program, the association gets precious help searching for cetaceans in these waters.

The founder of the Jonian Dolphin Conservation describes one of its projects: Ketos, Euro-Mediterranean center of the sea and cetaceans, based in Taranto.

We get a glimpse of the spaces where a show takes shape, from sewing the costumes, to creating the sets and backdrops. When a model of a set arrives, the job of the team is to translate it into reality, into something big.

Tortona is an area of Milan, where steel mills stood previously. The huge structure turned out to be perfect for housing, once renovated, the Ansaldo workshop for the sets of Teatro alla Scala. The area has become very trendy and popular, especially during the Milan Fashion Week.

Gratitude for the bounty of nature is a primary value for the Zegna Foundation. It might be helpful for the viewer to know that l'abito is a noun (think "monk's habit") meaning a gown or suit, but it is also the first person singular of the verb abitare (to inhabit, to live).

We move on to Biella, northwest of Milan, where the quality of the water contributes to the excellent quality of the woolen fabrics produced by the historical Zegna company.