Reina, 54, sits in the living room of her house with a picture of revolutionary fighter Ernesto “Che” Guevara hanging on the wall in Havana February 21, 2016. (Photo by Enrique de la Osa/Reuters)





Yosuan, 26, wearing a shirt with the U.S flag, stands on a street in Havana February 22, 2016. (Photo by Enrique de la Osa/Reuters)





People wait on the sidewalk while military reservists fumigate their home against mosquito breeding to prevent diseases such as malaria, dengue and Zika, during a fumigation campaign in Havana, February 22, 2016. (Photo by Reuters/Stringer)





Tourists from Colombia look at posters in a street arts fair in Havana, February 20, 2016. (Photo by Alexandre Meneghini/Reuters)





Tourists ride in vintage cars in Havana, February 19, 2016. (Photo by Alexandre Meneghini/Reuters)





Informatics technician Yurkel Medina, 36, studies about new technologies at the mobile phone repair shop where he works in downtown Havana, February 23, 2016. (Photo by Alexandre Meneghini/Reuters)





A cat mews as it sits near an old fan in downtown Havana, February 23, 2016. (Photo by Alexandre Meneghini/Reuters)





Children walk in downtown Havana after performing a dance in a public park, February 24, 2016. (Photo by Alexandre Meneghini/Reuters)





Amanda Bonnell (C), 8, exercises with schoolmates on a street in downtown Havana, February 24, 2016. (Photo by Alexandre Meneghini/Reuters)





Plumber Lidil Horstmann (C), 26, wears a t-shirt that he cut up with holes which he said helps ventilates against high temperatures as he works on the street in downtown Havana, February 25, 2016. (Photo by Alexandre Meneghini/Reuters)





Men work on a street near Cuban baseball national stadium February 28, 2016. (Photo by Enrique de la Osa/Reuters)





Jennifer, 24, and her daugther Yohane, 5, sit in their house in Havana February 28, 2016. (Photo by Enrique de la Osa/Reuters)





Alejandro, 62, a private mechanic, repairs his 1958 Ford car in Havana February 29, 2016. (Photo by Enrique de la Osa/Reuters)





A military truck carries out fumigation in a neighborhood to stop the breeding of the dengue mosquito in Havana March 1, 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)





Workers prepare tobacco leaves at the Congreso Campesino tobacco factory in San Juan y Martinez, Pinar del Rio province, Cuba, March 1, 2016. (Photo by Reuters/Stringer)





Mario Estrada, 57, works at the Congreso Campesino tobacco factory in San Juan y Martinez, Pinar del Rio province, Cuba, March 1, 2016. (Photo by Reuters/Stringer)





Vacationing Cubans get ready to board a kayak near a beachfront hotel in Varadero, 90 miles (145 km) east of Havana in this August 5, 2008 file picture. Americans traveling to Cuba later this month are being moved out of Havana hotels to make room for President Barack Obama's entourage and being sent tantalizingly close to a place U.S. law forbids them from visiting: the beach. (Photo by Claudia Daut/Reuters)





People at the seafront Malecon watch a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





People at the seafront Malecon watch a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





People gather to watch a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





People at the seafront Malecon watch a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





People react during a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





People at the seafront Malecon take a selfie during a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





A couple takes a selfie behind a public toilet during a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





Tattoo artist Javier Garcia, 25 (C), dances during a performance by U.S. electronic music group Major Lazer in Havana, March 6, 2016. (Photo by Alexandre Meneghini/Reuters)





Miguel, 54, stands near a Cuban flag, while wearing a shirt with a U.S. flag design, in Havana March 8, 2016. (Photo by Enrique de la Osa/Reuters)





People walk beside graffiti with a Cuban flag, during sunset in Havana March 8, 2016. The words read as “Long live the Revolution”. (Photo by Enrique de la Osa/Reuters)





A photograph of Cuba's former President Fidel Castro decorates a wall inside a state-run market in Havana, March 8, 2016. (Photo by Alexandre Meneghini/Reuters)





Boys walk in downtown Havana, Cuba March 8, 2016. (Photo by Alexandre Meneghini/Reuters)





A child wears a shirt with a Cuban flag design, in Havana March 8, 2016. (Photo by Enrique de la Osa/Reuters)





Women chat on the sidewalk in Havana, March 9, 2016. (Photo by Reuters/Stringer)





Cubans are seen on a street in Havana March 9, 2016. March 8, 2016. (Photo by Enrique de la Osa/Reuters)





Cubans pushing a cart with bags of cement on a street in Havana March 8, 2016. (Photo by Enrique de la Osa/Reuters)





A man wears a hat with the colors of the US national flag in Havana, March 10, 2016. President Barack Obama is scheduled to visit Cuba on March 20, 2016. (Photo by Alejandro Ernesto/EPA)