From the ruin in Friday's picture, another 50 yards and through an arched gateway into the area of the Castelo de São Jorge (the castle of St George), directly to the right is this contraption. Pissoir in French or a krul/urinoir in Dutch, where I have seen similar objects d'art in their capital cities.
The castle originating history is a bit vague. Whoever is interested can read more detail here. Enough said that the hilltop was occupied and fortified, ever since the Celts, up to now. The last royalty that lived here, left in the early years 1500 A.D. Since then it has been used for a number of purposes by the reigning government. The outer walls of the castle also include a cosy neighbourhood, by the name of Santa Cruz. At the time of WW2 the dictator, Salazar, had some restorations of the walls done. No-one understands exactly why.
I didn't visit the castle grounds and walls, as I have arrived with an half an hour to spare. So I opted for a nice dinner and some Fado performances in the Afalma neighbourhood. The main features of both the castle area and the Afalma both date from the time of Moorish occupation.