The tree planting ceremony was held at Fondazione Don Angelo Colombo in March 2010. Scuola Secondaria di 1 Grado “L. da Vinci” participated in the ceremony and the school sent us three books entitled “Tree of Life.” There are poems, stories, thoughts and drawings by students which were showcased at the ceremony in March contained in the books. Those works are very touching as they express students’ wishes that we will never repeat the tragedy of Nagasaki.