|They're not in Cardiff any more.|
"It's just that it's a different backdrop for the story," showrunner Steven Moffat told BBC America. "Something about Weeping Angels in New York seems to make sense to me. It's not to appeal to an American audience, particularly - they don't come to Doctor Who to see themselves, they come to Doctor Who to see us.
"We're not going to go there and film in the backstreets like we'd find in Cardiff, that would be a mistake!"
No word on whether anyone tried to sell Moffat the bridge.
You can find more pictures here and here.