US President Barack Obama waves next to First Lady Michelle Obama (L) and their daughters Malia (L, behind) and Sasha upon their arrival at Jose Marti international airport in Havana on March 20, 2016. Barack Obama on Sunday became the first US president in 88 years to visit Cuba, touching down in Havana for a landmark trip aimed at ending decades of Cold War animosity. (Photo by Yuri Cortez/AFP Photo)
