A boy jumps over a puddle of water on the outskirts of Havana, Cuba March 21, 2016. (Photo by Ueslei Marcelino/Reuters)

Revellers chat on Havana's Malecon seafront before performing at a carnival parade, Cuba, August 12, 2016. (Photo by Alexandre Meneghini/Reuters)

A woman works at the H. Upmann cigar factory during the XX Habanos Festival in Havana, Cuba on March 1, 2018. From the field to the factory during the annual Habanos cigar festival in Cuba. (Photo by Reuters/Stringer)

Soldiers march to mark the Armed Forces Day and commemorate the landing of the yacht Granma, which brought the Castro brothers, Ernesto “Che” Guevara and others from Mexico to Cuba to start the revolution in 1959, in Havana, Cuba, January 2, 2017. (Photo by Alexandre Meneghini/Reuters)

A woman walks inside a building in downtown Havana, Cuba April 21, 2016. (Photo by Alexandre Meneghini/Reuters)

A military guard observes from a watch tower at the Combinado del Este prison during a media tour in Havana, Cuba, Tuesday, April 9, 2013. Cuban authorities led foreign journalists through the maximum security prison, the largest in the Caribbean country that houses 3,000 prisoners. Cuba says they have 200 prisons across the country, including five that are maximum security. (Photo by Franklin Reyes/AP Photo)

Britain's Camilla, Duchess of Cornwall watches a performance during a salsa school visit in Havana, Cuba March 26, 2019. (Photo by Phil Noble/Reuters)

An empty cell block is pictured within Joint Task Force Guantanamo's Camp VI at the U.S. Naval Base in Guantanamo Bay, Cuba March 22, 2016. (Photo by Lucas Jackson/Reuters)