**Alessandro Petti 1,2,3**


Received: 7 July 2017; Accepted: 3 August 2017; Published: 29 August 2017

Photo: Luca Capuano with Carlo Favero.

In order to inscribe a site in the World Heritage list, the property should have outstanding universal values, defined as "cultural and/or natural significance which is so exceptional as to transcend national boundaries and to be of common importance for present and future generations of all humanity.

—UNESCO Operational Guidelines1

<sup>1</sup> http://whc.unesco.org/en/guidelines/

In order to be eligible for inscription on the list, nominated properties must meet at least one of the criteria, and shall therefore:


—UNESCO World Heritage Committee2
