Scotty writes in the @U2 forum:
"Definately not photoshopped! I was there and I saw this, it was amazing. It was during moment of surrender. I am the only one in the group i was with to see it as we were in the pit and for some reason during this song I looked behind me.OMG! I was starting to think I imagined this. This is the first mention of the Barcelona angel and I keep telling people to look out for it at the shows, all my U2 mates think I'm imagining things, i have been to 5 360 shows and only saw this once. Glad someone else saw it too!"Hmmm.