I was told that this is Hermione and Victor Krum are in the sky, but I didn't see that. However, there is something SUPER creepy in the sky. Once you get to the street view, look in the sky to your left.
(Barcelona city grid is called a "superblock" and helps give cities back their streets and foster community. One of several iconic cities with this Roman design principle) A collection of interesting pictures I found over the years, Part Photography