In this July 20, 2015, file photo, Javier Yanez looks out from his balcony where he hung a U.S., and a Cuban national flag, to celebrate the restored full diplomatic relations between Cuba and the Unites States, in Old Havana. The U.S. Commerce Department said Tuesday, January 26 2016, that it would now allow U.S. exports to Cuban government agencies in cases where it believed the Cuban people stood to benefit. (Photo by Ramon Espinosa/AP Photo)





A vintage car drives next to a street sign indicating directions at the Jose Marti International Airport, in Havana, December 17, 2015. (Photo by Reuters/Stringer)





A man waits to put the luggage of a relative who arrives from the U.S. in to a car, at Jose Marti International Airport in Havana December 17, 2015. (Photo by Reuters/Stringer)





Children play baseball on a street in downtown Havana, November 24, 2015. (Photo by Alexandre Meneghini/Reuters)





People line up to buy bread at a subsidised state store, or “bodega”, where Cubans can buy basic products with a ration book they receive annually from the government, in downtown Havana December 29, 2015. (Photo by Alexandre Meneghini/Reuters)





Medical student, Lores Valle (3rd L) eats a snack while sitting with relatives at the Malecon in Havana December 29, 2015. (Photo by Alexandre Meneghini/Reuters)





A woman stands outside her house in Havana December 31, 2015. (Photo by Enrique de la Osa/Reuters)





Cubans look at a cruise ship moored at Havana Port December 31, 2015. (Photo by Enrique de la Osa/Reuters)





Cubans play dominoes on a street in Havana December 31, 2015. (Photo by Enrique de la Osa/Reuters)





A taxi driver waits for passengers in downtown Havana, January 16, 2016. (Photo by Alexandre Meneghini/Reuters)





Tourists enjoy a ride in vintage cars in old Havana in this January 17, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Tourists pose in front of a bronze statue of the late Nobel prize-winning author Ernest Hemingway at the “Floridita” bar in Havana in this January 18, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Tourists walk in old Havana in this January 16, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





A man takes selfies in front of the passengers cruise ship MSC Opera in Havana in this January 13, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Hermenegildo Arensivia, 61, (R), shows pictures of him in a magazine to tourists from Poland in old Havana in this January 13, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Tourists on top of a double decker sightseeing bus, take cover against the crashing waves at the seafront Malecon in Havana in this January 17, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Tourists ask for information from a taxi driver in Havana in this January 16, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





A tourist from Peru looks at a graffiti of revolutionary hero Ernesto “Che” Guevara from the top of a double decker sightseeing bus in Havana in this January 17, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Tourists and Cubans line up for fried doughs in old Havana in this January 13, 2016 picture. (Photo by Alexandre Meneghini/Reuters)





Farmers Andre Alvares, 60, and Javier Sancho (L), 47, load a cart with fresh tobacco leaves to be taken to a curing barn at a tobacco farm in Cuba's western province of Pinar del Rio January 26, 2016. (Photo by Alexandre Meneghini/Reuters)





Farmer Javier Sancho, 47, picks tobacco leaves at a tobacco farm in Cuba's western province of Pinar del Rio, January 26, 2016. Picture taken January 26, 2016. (Photo by Alexandre Meneghini/Reuters)





Farmer Maria Rivera, 47, prepares tobacco leaves for drying at a curing barn in Cuba's western province of Pinar del Rio, January 26, 2016. (Photo by Alexandre Meneghini/Reuters)





Farmer Juan Hernandez prepares the land to plant tobacco at a tobacco farm in Cuba's western province of Pinar del Rio, January 26, 2016. Picture taken January 26, 2016. (Photo by Alexandre Meneghini/Reuters)





Eduardo Hernandez (R), 52, a member of a fumigation brigade leaves a house after inspects in Havana February 2, 2016. Cuba conducts regular fumigation inside homes to check the spread of dengue, a virus transmitted by the Aedes aegypti mosquito that causes a fever which can be deadly. The same mosquito can also spread the Zika virus, although the Cuban government says there have been no reported cases of the disease in the country. (Photo by Enrique de la Osa/Reuters)





Sara Carcache, 40, drives her 1970 Ukrainian made tractor in Caimito, Cuba, February 15, 2016. The U.S. government has granted an Alabama company permission to build tractors in Cuba, one of the company's co-owners said on Monday, making it potentially the first American manufacturer to open shop in Cuba since the 1959 revolution. (Photo by Alexandre Meneghini/Reuters)





Sara Carcache, 40, not pictured, drives her 1970 Ukrainian made tractor as she takes children and their mothers from school in Caimito, Cuba, February 15, 2016. (Photo by Alexandre Meneghini/Reuters)





Sara Carcache (R), 40, sits with her daughter Saidy as her mother Candida Estrada, 76, looks to the camera beside a 1970 Ukrainian made tractor in Caimito, Cuba, February 15, 2016. (Photo by Alexandre Meneghini/Reuters)





Sara Carcache, 40, drives her 1970 Ukrainian made tractor as she takes children and their mothers from school in Caimito, Cuba, February 15, 2016. (Photo by Alexandre Meneghini/Reuters)





A rooster stands on a wagon of a 1970 Ukrainian made tractor in Caimito, Cuba, February 15, 2016. (Photo by Alexandre Meneghini/Reuters)





Saidy Carcache, 3, plays with flowers at her home in Caimito, Cuba, February 15, 2016. (Photo by Alexandre Meneghini/Reuters)





A man pushes tanks with water for his house in Havana February 19, 2016. (Photo by Enrique de la Osa/Reuters)





A child holds up a picture of revolutionary hero Ernesto "Che" Guevara as others, background, carry portraits of Fidel Castro and independence hero Jose Martí during a caravan marking the 57th anniversary of the arrival of Fidel Castro an his rebel army in Regla, outskirts of Havana, Cuba, Friday, January 8, 2016. Castro and his rebels arrived in Havana via caravan on Jan. 8, 1959, after toppling dictator Fulgencio Batista. (Photo by Ramon Espinosa/AP Photo)





A picture made available on 03 January 2016 shows a tourist family in a 'coconut taxi' in Havana, Cuba, 02 January 2016. Tourism industry in Havana is expected to make a new record of visitors in 2016, coming especially from the United States when flights and ferry itineraries have been re-established. Cuba and USA have agreed to establish new commercial flights as part of an agreement that is expected to include 30 regular daily flights, paving way to thousands of US tourists to visit to country. (Photo by Alejandro Ernesto/EPA)





A woman wearing leggings with the colours of the US flag walks along a street of Havana on February 18, 2015. President Barack Obama announced Thursday he will make a landmark visit to Cuba on March 21-22, pledging to address human rights as America pursues a historic thaw with its former Cold War foe. (Photo by Yamil Lage/AFP Photo)