Pope Francis (L) and former Cuban President Fidel Castro hold hands in Havana, Cuba, September 20, 2015. Picture taken September 20. REUTERS/Alex Castro/AIN/Handout via Reuters ATTENTION EDITORS – THIS IMAGE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. IT IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. TPX IMAGES OF THE DAY