Image provided by Cubadebate on April 11, 2013 shows former Cuban president, Fidel Castro (L), attending the opening of the Vilma Espin Guillois school, in Havana, capital of Cuba, on April 9, 2013. According to the official media, Castro talked for over two hours to students, teachers and other guests to the opening ceremony of the school, which was built thanks to the initiative of former president. (Xinhua/Cubadebate)