Children practice during a fencing class at the "Martyrs of Barbados" gymnasium in downtown Havana, December 3, 2014. About 100 students train at the gymnasium, which was named after 73 Cuban fencers, known as the "Martyrs of Barbados", who were killed in a 1976 attack when a bomb blew up a Cubana airliner in Barbados. Picture taken December 3, 2014. REUTERS/Alexandre Meneghini (CUBA - Tags: SPORT FENCING SOCIETY)