I take the more direct approach: "Guys, I'd appreciate it if we could all just hold the conversation so I can relax and enjoy what your hands are doing." That usually does it.
I guess Barcelona, although the church on the mountain there has spires, not a dome--but the dome effect here might just be a slight blurring. Um, the dome in the background, that is, not the luscious double dome right in front.
Nothing came up? That'll change after you watch it. It's one of the "Welcome to LA" videos; Justin is with Austin Wolf. https://www.pornhub.com/view_video.php?viewkey=ph5afb16bbac67d