The document discusses an excursion to the Iberian settlement of La Ciutadella in Calafell, Catalonia. The Iberians were an ancient people who lived in the eastern and southern regions of the Iberian Peninsula, including parts of what is now Catalonia, between the 7th and 1st centuries BC. The settlement of La Ciutadella provides insight into the culture and way of life of the Iberian people who inhabited this region during that time period.