Along with the rise in tourism and the downturn of the economy in the 1990s, there has been an increase in hustlers and prostitutes.
They may be charming, with the appearance of ordinary people and may want anything from a dinner to marriage and a visa to the USA or just a quick sale on fake cigars.
They often identify themselves as English teachers or other professionals.
They are usually harmless, but they can become bothersome.
Most Cubans would never think of approaching a stranger in the street to strike up a conversation, so be wary of those who do.
