Barack Obama has become the first sitting US president to visit Cuba in almost ninety years. The last one to do so was Calvin Coolidge in 1928. The relationship between the two nations has been strained since the cold-war, but as these pictures show, their frosty history could soon be a thing of the past. Facebook: https://www.facebook.com/trtworld Twitter: https://twitter.com/trtworld Youtube: https://www.youtube.com/c/trtworld GooglePlus: https://plus.google.com/+trtworld
