Flash back to the devastating fire which detroyed Notre-Dame cathedral in Paris, in April this year. After this incident several french tv channels contacted Frédéric Matan, Best Craftsman of France, to get his expert point of view about the rebuilding of the famous cathedral. The stone carver uses to work in resrotation of old monuments where excellence and expertise are required. He explained, with emotion, how to proceed to restore the histrorical monument.