A boy passes by a banner advertising Pope Francis' visit to Cuba, which is expected to take place between September 19 and September 22, in Havana, July 30, 2015. (Photo by Alexandre Meneghini/Reuters)

Samuel Garcia, 12, has his hair cut by a friend at the doorstep of his home in Havana, Cuba July 30, 2015. (Photo by Alexandre Meneghini/Reuters)

Boys play in downtown Havana, July 30, 2015. (Photo by Alexandre Meneghini/Reuters)

Tourists from the United States look at an old car in Havana, on April 6, 2015. (Photo by Yamil Lage/AFP Photo)

Xiomara Prada, 60, (R), talks to a neighbour in downtown Havana, Cuba July 30, 2015. (Photo by Alexandre Meneghini/Reuters)

Odelia Pedroso, 59, hangs clothes at the courtyard of her home in downtown Havana, Cuba July 30, 2015. (Photo by Alexandre Meneghini/Reuters)

Yanesi Ailan, 23, fishes at the Havana bay's canal as her three-year-old son sleeps in a stroller behind her in Havana, July 31, 2015. (Photo by Alexandre Meneghini/Reuters)

A tourist looks at images displayed in a shop in downtown Havana, July 31, 2015. (Photo by Alexandre Meneghini/Reuters)

A woman uses an automated teller machine (ATM) in downtown Havana July 31, 2015. (Photo by Alexandre Meneghini/Reuters)

A male Rottweiler named Luca walks at the main touristic road in downtown Havana, July 31, 2015. (Photo by Alexandre Meneghini/Reuters)

Lulu sits near his owner who is wearing short pants with the colors of the U.S. flag, in Havana August 1, 2015. Democratic presidential candidate Hillary Clinton on Friday called for Congress to end the longstanding U.S. trade embargo against Cuba and said she would make it easier for Americans to travel to the Communist-ruled island if she were president. (Photo by Enrique de la Osa/Reuters)

Yavida, 17, poses while wearing a dress with the colors of the U.S. flag on a street in Havana August 4, 2015. (Photo by Enrique De La Osa/Reuters)

Revellers perform during a training session for a carnival which starts next Friday, Havana, August 5, 2015. This year's carnival is dedicated to the 495th anniversary of the city. (Photo by Alexandre Meneghini/Reuters)

School worker Ivan Gago, 33, holds his 5 months old son as he watches the sunset in Havana, August 5, 2015. (Photo by Alexandre Meneghini/Reuters)

A man drives his taxi past a Cultural Center with the word “Cuba” on it, in Havana, Cuba, Tuesday, April 14, 2015. (Photo by Desmond Boylan/AP Photo)

A man takes pictures of an illuminated iron sculpture of Cuba's revolutionary hero Ernesto “Che” Guevara on the Ministry of Interior building at Revolution Square in Havana, Cuba, Friday, April 10, 2015. (Photo by Desmond Boylan/AP Photo)

The entrance to the studio and art gallery of Cuban artist Leo D´lazaro, named “The Eye of the Hurricane”, stands open in Old Havana, Cuba, Friday, May 15, 2015. (Photo by Desmond Boylan/AP Photo)

Workers ride on the back of a truck loaded with vegetables to sell at the market in Havana, Cuba, Tuesday, April 21, 2015. (Photo by Ramon Espinosa/AP Photo)

In this March 20, 2015 photo, a “Home for sale” sign hangs on a resident's home in the Chicharron neighborhood of Santiago, Cuba. Compared to Havana, far fewer people in Santiago get remittances from family overseas, and residents of eastern Cuba, more heavily Afro-Cuban than the west, keep migrating in large numbers to find work in the capital, where some dismissively refer to them as “palestinos”, or Palestinians. (Photo by Ramon Espinosa/AP Photo)

In this March 21, 2015 photo, children play on a swing in Santiago, Cuba. The playground was set up for a youth fair in their neighborhood, and will later be moved to other areas of the city. (Photo by Ramon Espinosa/AP Photo)

A worker pours cooking oil into a bottle for a waiting customer in a state bodega decorated with images of Fidel and Raul Castro in Old Havana, Cuba, Tuesday, Feb. 17, 2015. (Photo by Ramon Espinosa/AP Photo)

Vendors sell flowers at the entrance of the Colon cemetery during Mother's Day in Havana, Cuba, Sunday, May 10, 2015. (Photo by Desmond Boylan/AP Photo)

In this March 21, 2015 photo, seniors dance in the street for tourists at night in Santiago, Cuba. Life in Cuba in 2015 is a race between hope and desperation, as a staggering economy pushes some towards new ways of living and others toward hopelessness, anger and emigration. (Photo by Ramon Espinosa/AP Photo)

In this March 20, 2015 photo, children pause as they play after school in an empty food cart that reads in Spanish “Santiago is Santiago”, parked outside their homes in Santiago, Cuba. The explosion of private enterprise is only just beginning in Santiago. Cell phones remain a rare luxury. Internet is available to the public in one state center and one hotel. (Photo by Ramon Espinosa/AP Photo)

A man works at a bean stall at a market beside a mural with the a picture of revolution hero Ernesto “Che” Guevara in Havana, Cuba, Thursday, April 9, 2015. (Photo by Desmond Boylan/AP Photo)

Young men play basketball on an improvised court wedged between a construction site and the shells of once grand colonial homes in Havana, July 20, 2015. As much as the young in Cuba welcome political opening and economic reform, such changes are unlikely to filter down to their lives anytime soon. (Photo by Meridith Kohut/The New York Times)

A newly wed couple walks through the “United Buddy Bears” exhibit, looking for a spot to have their wedding portrait made in Old Havana, Cuba, Tuesday, Feb. 17, 201. (Photo by Ramon Espinosa/AP Photo)

In this March 13, 2015 photo, Old Havana Museum of Metalwork guard Yarisbel Perez stands in the doorway for a portrait with the museum's former stray dogs, from left, Leon, Canela, Aparicio and Vladimir in Havana, Cuba. At night, the animals patrol the streets with local police or sleep under the museum's grand stairway. “I don't like dogs but I've really developed a soft spot in my heart for them”, said Perez. The institution's fifth dog, Carinoso, wasn't at the museum during the portrait session. (Photo by Ramon Espinosa/AP Photo)

In this March 20, 2015 photo, state workers share a bicycle as they ride past a barber cutting hair on the sidewalk, after their work shifts in Santiago, Cuba. There are more horse-drawn carts and bicycles than cars and tourist buses on the two-lane road from Havana to Santiago. (Photo by Ramon Espinosa/AP Photo)

A man drives his vintage car past a billboard with a message that reads in Spanish; “Blockade, the longest genocide in history”, in reference to the U.S. trade embargo imposed on Cuba, in Havana, Cuba, Friday, April 10, 2015. (Photo by Desmond Boylan/AP Photo)

A vendor gives a thumbs up to the camera as he sells shoes and paintings of Cuba's revolutionary hero Ernesto “Che” Guevara in Havana, Cuba, Tuesday, April 14, 2015. (Photo by Desmond Boylan/AP Photo)

A classic car is parked in a street of Havana, on February 4, 2015. (Photo by Yamil Lage/AFP Photo)

Dancers from the Cuban National Ballet get ready for a rehearsal prior to the 24th International Ballet Festival in Havana, October 22, 2014. (Photo by Alexandre Meneghini/Reuters)

Manicurist Raquelin Reyes (R), 30, works at her home in downtown Havana December 19, 2014. (Photo by Alexandre Meneghini/Reuters)

Ballet dancer Laura Quesada, 23, walks to the dressing room after performing for journalists in Camaguey, Cuba, June 20, 2015. (Photo by Alexandre Meneghini/Reuters)

Revelers in a bus watch a fight taking place on a street before their performance at a carnival parade in Havana August 8, 2014. (Photo by Alexandre Meneghini/Reuters)

Dancers from the Deep Roots Dance Company perform during a training session in an old theatre in downtown Havana, October 14, 2014. (Photo by Alexandre Meneghini/Reuters)

Real estate agent Michael Schaftle, 43, from Germany, smokes as he competes for the longest ash during the XVII Habanos Festival in Havana, February 26, 2015. (Photo by Alexandre Meneghini/Reuters)

Actresses Isis Pelegrini (front) and Olga Morales relax moments before performing in a Cuban National Circus show in Havana, August 23, 2014. (Photo by Alexandre Meneghini/Reuters)

Lizmaria Perez, 7, (C), chats with friends before a rehearsal of the choral group Sol Fa which she is part of before the presentation of the Los Angeles Children's Chorus Young Men's Ensemble, a U.S. children's choir, in Havana, June 15, 2015. (Photo by Alexandre Meneghini/Reuters)

A couple who did not give their names walk in downtown Havana, February 2, 2015. (Photo by Alexandre Meneghini/Reuters)

Victor Capote, a 46-year-old rancher, works on a horseshoe of his mare “Muneca”, or “doll” in Spanish, in his ranch near San Antonio de los Banos village, in Artemisa province August 6, 2014. (Photo by Alexandre Meneghini/Reuters)

A man sells apples to the public during the 18th edition of the International Livestock Fair Show in Havana. Around 200 thousand people attend the fair, according to its organisers, March 22, 2015. (Photo by Alexandre Meneghini/Reuters)

Sakia Corona, 8, passes a picture of Cuba's revolutionary hero Ernesto “Che” Guevara as she runs to a restroom during a rehearsal of a Contemporary Haitian dance in a communal center in downtown Havana, January 31, 2015. (Photo by Alexandre Meneghini/Reuters)

A woman reacts as she watches the 18th edition of the International Livestock Fair Show in Havana. Around 200 thousand people attend the fair, according to its organisers, March 22, 2015. (Photo by Alexandre Meneghini/Reuters)

Carlos Ortega Ponce, 3, plays baseball with his father in front of his home in Havana, October 16, 2014. (Photo by Alexandre Meneghini/Reuters)

Pastor Silva, 47, a railway system employee, fishes during his free time at the seafront boulevard “El Malecon” in Havana, December 20, 2014. (Photo by Alexandre Meneghini/Reuters)

Street vendor Alain Rivera, 37, holds his 10-month-old nephew in a barber shop in downtown Havana, July 14, 2015. (Photo by Alexandre Meneghini/Reuters)

Feliculi Morejon, 53, prepares 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 February 16, 2015. (Photo by Alexandre Meneghini/Reuters)

Circus performer Olga Morales, 18, takes part in a training session in Havana, September 25, 2014. (Photo by Alexandre Meneghini/Reuters)

People interact with Muro de Empirismo, or Empiricism Wall, by Cuban artist Dayan Diaz, for the 12th Havana Biennial in Havana June 1, 2015. (Photo by Alexandre Meneghini/Reuters)

Children exercise during a wrestling lesson in downtown Havana, October 20, 2014. (Photo by Alexandre Meneghini/Reuters)

Cowboy Raul Albeja, 60, stands as he listens to the national anthem during the International Livestock Fair Show in Havana March 16, 2015. (Photo by Alexandre Meneghini/Reuters)

People play soccer in an empty swimming pool at a park in Havana, March 13, 2015. (Photo by Alexandre Meneghini/Reuters)

Choreographer Rafael Gonzalez, 31, (R), applies make-up to Sheila Marrupe, 15, at the backstage of the Bertolt Brecht Theatre before performing at the VI International Pantomime Festival Havana 2015, in Havana, June 12, 2015. (Photo by Alexandre Meneghini/Reuters)

Boys protect themselves from the rain as they watch the friendly match between New York Cosmos and Cuba's national team in Havana June 2, 2015. (Photo by Alexandre Meneghini/Reuters)

A photograph of Cuba's late rebel revolutionary Camilo Cienfuegos decorates a wall inside a state run market as Osmani Aguilar, 39, waits for customers in Havana, July 20, 2015. (Photo by Alexandre Meneghini/Reuters)

Jonatan Leliebre, 10 (L), and Oscar Torres, 9, exercise before a wrestling practice session at an old Basque ball gymnasium in downtown Havana, October 30, 2014. (Photo by Alexandre Meneghini/Reuters)

A taxi driver drives a vintage car in downtown Havana, January 16, 2015. (Photo by Alexandre Meneghini/Reuters)

Street seller Joel Gonzalez, 29, (R) drinks as he watches the sunset with medical student Anaili Puig, 19, in Havana July 12, 2015. (Photo by Alexandre Meneghini/Reuters)

Cheila Martinez (C), 11, walks at the Marti park after performing with her dance school for the anniversary of the beginning of the last and decisive Cuban independence war, in downtown Havana, February 24, 2015. (Photo by Alexandre Meneghini/Reuters)

Mechanic Carlos Rodriguez, 29, calls to relatives to open the water for his high-pressure cleaner, as he washes the bottom of a Russian-made Moscovich car in downtown Havana, February 19, 2015. (Photo by Alexandre Meneghini/Reuters)

A bride looks to the camera from a convertible vintage car as she arrives for her wedding at the Palacio de los Matrimonios (Wedding Palace in Spanish) in downtown Havana, February 14, 2015. (Photo by Alexandre Meneghini/Reuters)