Lisbon, Portugal
Thursday 19 September
This morning we have a 3 hour city tour that takes us through the Georgian-styled centre (courtesy of the Marques) to the River Tagus where we see various defensive towers or memorials of Portuguese historical figures such as Magellan, Vasco de Gamma, or Henry the Navigator (who invented the triangular sail that permitted the caravel boat to sail into the wind, which square rigged galleons could not). We also see the Belem Tower, a 16th Ce...