12 April, The Seminar on the State of the Art of Green Conservation and presentation of the product YOCOCU (http://www.yococu.com/) Green Rescue substitutive of methyl ketone for the removal of varnishes aged by mobile paintings) was leaded by Andrea Macchia (YOKOKU Founder and president) and Mauro F.La Russa (representative of the CalabriaUniversity), Alvaro Higueras (YOKOKU Scientific Committee member).