In this March 20, 2015 photo, a youth tosses a ball in a street that leads to the bay, in downtown Santiago, Cuba. (Photo by Ramon Espinosa/AP Photo)

A worker tends bar in Havana, Cuba, Saturday, April 11, 2015, next to a television tuned into the live telecast of President Barack Obama's speech at the VII Summit of the Americas. (Photo by Desmond Boylan/AP Photo)

In this March 22, 2015 photo, a portrait of Cuba's revolutionary hero Ernesto “Che” Guevara hangs inside a home in Santiago, Cuba. (Photo by Ramon Espinosa/AP Photo)

A man steers a tricycle carrying a young man as they haul a refrigerator through Havana, Cuba, Friday, April 17, 2015. (Photo by Ramon Espinosa/AP Photo)

A child rainbow kicks a soccer ball while playing with friends in the streets of Old Havana, Cuba, Tuesday, February 17, 2015. A more relaxed and hopeful atmosphere is evident in Cuba as a result of President Raul Castro's modest reforms and afte the agreement by Cuba and the U.S. to move toward a more normal relationship. (Photo by Ramon Espinosa/AP Photo)

A taxi driver transports a car full of passengers, in Havana, Cuba, Tuesday, February 17, 2015. (Photo by Ramon Espinosa/AP Photo)

In this March 21, 2015 photo, a man wears a shirt with a U.S. flag design in Santiago, Cuba. (Photo by Ramon Espinosa/AP Photo)

In this March 20, 2015 photo, a youth wearing his school uniform waits for his father to buy him a soda at a drink stand after classes in Santiago, Cuba. (Photo by Ramon Espinosa/AP Photo)

In this March 21, 2015 photo, a potato vender sits in the street as he visits with friends in Santiago, Cuba. Cubans across the country complain about low salaries and high prices, but there's an uncommon anger in many voices in Santiago. (Photo by Ramon Espinosa/AP Photo)

Pedestrians lean against an American classic car as they wait for traffic to pass in Old Havana, Cuba, Tuesday, February 17, 2015. (Photo by Ramon Espinosa/AP Photo)

In this March 13, 2015 photo, former street dog Vladimir wears an ID collar that gives his name and residence, as he sits at the entrance of the Old Havana Museum of Metalwork in Havana, Cuba. Cuban law banning animals from workplaces contains an exemption for guard dogs. This legal cover for the ex-strays was bolstered when a dog at a government office awakened a guard one night by barking when she heard would-be thieves removing air conditioners from the windows, according to Nora Garcia, president of the Cuban Association for the Protection of Plants and Animals. (Photo by Ramon Espinosa/AP Photo)

Two girls chat with a friend using a smartphone in a public Wi-Fi hotspot at the street in front of portrait of revolutionary leader Che Guevara in Havana, Friday, July 31, 2015. (Photo by Ramon Espinosa/AP Photo)

A child sits on the back of a moving bicycle cart, as a family member walks alongside the cart, near Capitolio in Havana, Cuba, Sunday, February 22, 2015. (Photo by Ramon Espinosa/AP Photo)

In this March 21, 2015 photo, a cook roasts a pig over a charcoal fire before the start of a neighborhood street party in Santiago, Cuba. He roasted it for about five hours to sell and serve to residents at the party. (Photo by Ramon Espinosa/AP Photo)

Women, one wearing pants made with the U.S flag colors, work at their stalls selling flowers in Havana, Cuba, Thursday, April 9, 2015. (Photo by Desmond Boylan/AP Photo)

In this March 21, 2015 photo, a ballerina performs at a youth fair in her neighborhood in Santiago, Cuba. The contrast between hope and desperation is starker in eastern Cuba, which is a poorer area, isolated from the capital where detente with the United States has unleashed giddy waves of optimism. (Photo by Ramon Espinosa/AP Photo)

A taxi tricycle displays a representation of a U.S. national flag, as well as a Cuban national flag, with signs that read in Spanish; “there is no limit here”, in Havana, Cuba, Saturday, April 11, 2015. (Photo by Desmond Boylan/AP Photo)

In this March 20, 2015 photo, children play dice on a table with the winners' prizes sitting on the side, at a youth fair in the Chicharron neighborhood of Santiago, Cuba. In Santiago, cell phones remain a rare luxury and public Internet is available in one state center and one hotel. (Photo by Ramon Espinosa/AP Photo)

In this March 22, 2015 photo, a girl pulls a toddler in an antique toy car at a park in Santiago, Cuba. The toddler's parents paid a vendor, who sells rides in the car, to take her on a ride through the park. Residents say the government has dramatically eased the difficulties of starting a small business, allowing thousands more permits for businesses ranging from motorcycle taxis to air-conditioner repair workshops. (Photo by Ramon Espinosa/AP Photo)

In this March 22, 2015 photo, a street performer, dressed as a police statue, kisses a girl's hand after she gave him a coin in Santiago, Cuba. The number of private business licenses in Santiago grew to 34,000 as of February, according to government figures, thousands more than in previous years but still a fraction of the more than 120,000 in Havana. (Photo by Ramon Espinosa/AP Photo)

Street entertainer and fortune teller “Juana La Cubana” smiles holding a cigar in her mouth as she waits for tourists in Havana, Cuba, Sunday, May 24, 2015. Juana is 72 years old and has worked in the Cathedral square in Old Havana for 28 years. (Photo by Desmond Boylan/AP Photo)

Osmar Ramirez walks his pig Bartolo by a leash to a client's home for mating in La Lisa neighborhood on the outskirts of Havana, Cuba, Wednesday, January 28, 2015. Ramirez owns two male pigs, Bartolo and Bartolo's father Pancho, and charges 100 Cuba pesos (CUPs), or about $4 U.S. dollars, for mating. (Photo by Ramon Espinosa/AP Photo)

In this March 20, 2015 photo, a couple walk hand-in-hand after work in Santiago, Cuba. He wears a national police officer uniform and she wears a state security guard uniform. (Photo by Ramon Espinosa/AP Photo)

In this December 26, 2014 file photo, a photograph of Fidel Castro hangs under the Spanish word “Welcome” on the wall at a state-run food market in Havana, Cuba. (Photo by Ramon Espinosa/AP Photo)

Capoeira teacher Eiwer Carbonell, 21, warms up before a lesson near his dog Champion, or Campeon in Spanish, playing around in downtown Havana February 4, 2015. (Photo by Alexandre Meneghini/Reuters)

Children practice martial arts near a graffiti of Revolutionary hero Ernesto “Che” Guevara in Havana February 6, 2015. (Photo by Enrique De La Osa/Reuters)

A girl peers from the window of a vintage car used as a collective taxi in downtown Havana February 9, 2015. (Photo by Alexandre Meneghini/Reuters)

Kevin Lachaise, 8, watches a recorded TV show through the screen of a computer at the living room of his home in downtown Havana February 10, 2015. Netflix Inc launched its movie and TV streaming service in Cuba on Monday, joining the list of U.S. companies looking to take advantage of thawing diplomatic relations between the United States and the communist-ruled island country. (Photo by Alexandre Meneghini/Reuters)

A man looks at pirated DVDs for sale at a privately licensed stall in downtown Havana February 10, 2015. (Photo by Alexandre Meneghini/Reuters)

A woman stands in front of at a store which has converted into a house in Havana February 23, 2015. (Photo by Enrique De La Osa/Reuters)

Cristian Daguada, 11 (L), plays futbolito, or little soccer in Spanish, with his neighbour Brian Meson, 11, in downtown Havana, March 12, 2015. (Photo by Alexandre Meneghini/Reuters)

A young man plays soccer on a street in Havana April 10, 2015. (Photo by Enrique De La Osa/Reuters)

An old woman stands near a house for sale in Havana April 10, 2015. (Photo by Enrique De La Osa/Reuters)

People walk near a door painted with the Cuban flag, in Havana April 10, 2015. (Photo by Enrique De La Osa/Reuters)

People walk on a street in Havana April 10, 2015. (Photo by Enrique De La Osa/Reuters)

Barbara Herrera, a private flowers vendor stands inside her house in Havana April 11, 2015. (Photo by Reuters/Stringer)

Women talk in their house in Havana April 11, 2015. (Photo by Enrique De La Osa/Reuters)

People walk near graffiti that reads “Long live Cuba” in Havana April 11, 2015. (Photo by Enrique De La Osa/Reuters)

An image of revolutionary hero Ernesto “Che” Guevara is seen on a street in Havana April 11, 2015. (Photo by Enrique De La Osa/Reuters)

Cars drive through the streets of Havana April 14, 2015. (Photo by Enrique De La Osa/Reuters)

A tricycle taxi passes near Havana's Capitol building April 14, 2015. (Photo by Enrique De La Osa/Reuters)

A general view of Havana City April 15, 2015. (Photo by Enrique De La Osa/Reuters)

A general view of Havana City April 15, 2015. (Photo by Enrique De La Osa/Reuters)

A general view of Havana City April 15, 2015. (Photo by Enrique De La Osa/Reuters)

Children perform during the first day of a contemporary urban dance festival in downtown Havana, April 15, 2015. (Photo by Alexandre Meneghini/Reuters)

A woman who did not want to give her name, sits at the window of a barber shop in downtown Havana, April 16, 2015. (Photo by Alexandre Meneghini/Reuters)

Pedicab driver Braison Navarro (L), 24, rests in his vehicle in downtown Havana, April 18, 2015. (Photo by Alexandre Meneghini/Reuters)

Soldier Ariel Rodriguez, 20, together with his 2-year-old dog called “Donut”, buys salt at a subsidised state store, or “bodega”, where Cubans can buy basic products with a ration book they receive annually from the government, in Havana, May 6, 2015. (Photo by Alexandre Meneghini/Reuters)

Social worker Stefani Gomes, 20, sits on a swing at a playground in Havana, May 6, 2015. (Photo by Alexandre Meneghini/Reuters)

People cross a road at the Malecon sea front to see an artificial beach part of a creation of Cuban Artist Arles del Rio for the 12th Havana Art Biennial in Havana, May 21, 2015. (Photo by Alexandre Meneghini/Reuters)

People enjoy an artificial beach at the Malecon sea front created by Cuban Artist Arles del Rio for the 12th Havana Art Biennial, May 21, 2015. (Photo by Alexandre Meneghini/Reuters)

Tourists visit the Museum of the Revolution in Havana July 1, 2015. (Photo by Enrique De La Osa/Reuters)

Carlos Cantero, 86, a veteran rebel fighter of guerrilla leader Fidel Castro, sits under pictures of revolutionary hero Ernesto “Che” Guevara (R) and Cuban late commander Camilo Cienfuegos, at his home in Guines, Mayabeque province, Cuba, July 1, 2015. (Photo by Enrique De La Osa/Reuters)

A boy plays with a parachute at the sea front Malecon in Havana, July 7, 2015. (Photo by Alexandre Meneghini/Reuters)

Cuba's Capitol, or El Capitolio as it is called by Cubans (rear), is seen in Havana, July 9, 2015. Cubans are once again touring their Capitol, an imposing structure previously shunned as a symbol of U.S. imperialism but now undergoing renovation and set to reopen as the new home of the Communist government's National Assembly. (Photo by Alexandre Meneghini/Reuters)

Tourist Sergio Morcoso, 28, (L) from Bolivia, poses for a photo with his friend Yusinel Morales, 30, from Cuba, in Havana, July 18, 2015. (Photo by Alexandre Meneghini/Reuters)

People are seen riding a motorcycle as a trishaw driver ferries passengers in Havana July 20, 2015. (Photo by Enrique De La Osa/Reuters)

People walk on a street in Havana July 20, 2015. (Photo by Enrique De La Osa/Reuters)

A photograph of Cuba's former President Fidel Castro decorates a wall inside a state's run market as Yorquis Camacho, 39, waits for customers, Havana, July 20, 2015. (Photo by Alexandre Meneghini/Reuters)

A woman hangs clothes near Cubans flags flying in front of the U.S embassy, in Havana, July 27, 2015. U.S. Secretary of State John Kerry will travel to Cuba on August 14 to formally re-designate the U.S. Interests Section as the U.S. Embassy in Havana. (Photo by Alexandre Meneghini/Reuters)

Children play on a street in Havana April 10, 2015. (Photo by Enrique De La Osa/Reuters)

Neiky (L), 18, and Legna, 21, waitresses of a private cafeteria pose for a photo near a painting of Cuba's former president Fidel Castro in Havana April 14, 2015. (Photo by Reuters/Stringer)