Antonio Castro, son of Cuban revolutionary leader Fidel Castro, signs a book of condolences for his father in Havana, capital of Cuba, on Nov. 28, 2016. With music, alcohol sales and baseball games suspended, Cuba's capital Havana has been immersed in grief and silence in a nine-day period of mourning after Cuban revolutionary leader Fidel Castro passed away on Nov. 25, 2016 at the age of 90. (Xinhua/Vladimir Molina/Prensa Latina)