Next to the Colosseum, it goes unnoticed by most visitors if someone sits in the shade of an olive tree to cool off, yet this tree, often hundreds of years old, is certainly part of a dynamically developing economy. Many would not think that the fruit of the trees scattered throughout the Italian capital is used in the same way as on a rural farm. At this time of year, the streets are flooded with green tarpaulins into which the harvesters shake the berries. Moreover, in the noisy, ever-hurrying city, one of the country's best olive oils is produced, which is under quality protection. "There was so-called green oil in ancient Rome, which was extracted from this green olive berry. It is a high-quality oil that can be used for eating purposes, for cooking, or even for lighting oil lamps. Moreover, it is also used to make cosmetic products, such as the famous black soap, as well as ointments for athletes," explained Tiziana Tornelli, the deputy head of the quality protection office. ...