The boys have just returned from a holiday on the island of São Tomé with their father and they tell me they have spent a wonderful week exploring this island, a former Portuguese colony in the equatorial area. In fact the country is called São Tomé e Príncipe, the main island being São Tomé where the capital city is located; Príncipe (meaning prince, thus called after a prince of Portugal) is much smaller, but even more beautiful, or so people …