I really like this. Nice composition with an interesting foreground, good light balance and an interesting subject. What is on the side of the castle, a glass elevator? Looks like an anachronism.
Thanks. I too wonder about that anachronistic appendage and agree that it's probably a glass elevator. I've not been inside that castle and don't know why an elevator would be necessary, but I think it's a pity that they would compromise the appearance of the castle with such an incongruous element.
And for today, the Grotto of Tiberius: