U.S. President Barack Obama waves from the door of Air Force One as he prepares to depart for Havana, Cuba, at Andrews Air Force Base, Md., March 20, 2016.
People gather on the street in Old Havana. U.S. President Barack Obama is scheduled to visit the historic area shortly after his arrival late Sunday afternoon.
Berta Soler speaks with the media outside St. Rita's Church in Havana on March 20, 2016, hours before her arrest. (V. Macchi/VOA)
A common problem, and a familiar sight, in Cuba.