SANTIAGO DE CUBA, Dec. 5, 2017 (Xinhua) — Cuban President Raul Castro (L) arrives to pay tribute to late Cuban President Fidel Castro at the Santa Ifigenia Cemetery in Santiago de Cuba, east Cuba, Dec. 4, 2017. Raul Castro paid tribute to his brother Fidel Castro on Monday, one year after his ashes were placed at the Santa Ifigenia Cemetery in Santiago de Cuba. (Xinhua/Str/IANS)