Two young girls, one with American teen icon Miley Cyrus emblazoned on her purse, study the doll in which messages were hidden by Ernesto Che Guevara and his companeros to deliver messages to the frontline of their guerilla war against the Cuban state headed by Fulgencio Batista at the time of the Cuban revolution in the Museum of the Revolution during a tour with their grandfather in Havana, Cuba on March 7, 2010.