Who decides what is a UNESCO world heritage site and what parameters are considered? We talk about it – in the program “L’Italia con Voi” at minute 28.15 (episode of 03/16/2022) – with Pier Luigi Petrillo, Full Professor of Comparative Public Law at the Unitelma Sapienza University of Rome and former President of World Expert Body of the 2003 UNESCO Convention for the Safeguarding of the Intangible Cultural Heritage.