TWenty-two students and 6 teachers from Bulgary, Poland and Romania were guests of I.S. “R. D’Altavilla – V. Accardi” from 6th to 14th April 2019. The final activities were all dedicated to the final Exhibition. The students shared their knowledge and ideas to create the final projects to present at the Exhibition. Teachers decide rules of the Exhibition, select judges and set the evaluation rubric. All of the groups were awarded for their projects and families appreciated the Exhibition during the farewell social party.