I saw the very end of Nole's practice session in Madrid yesterday and he's such a joy to watch. The crowd was loving it.
He was playing doubles with his coach when I arrived (against Vemic and another guy I didn't recognize, I was standing completely on the other side of the practice area) and everybody was having a lot of fun, it was by far the most entertaining practice session I've seen in my (very short) time in Madrid.
Really, the crowd went apeshit over him, it was impressive! Then he stayed for ages to sign for the kids and take pics, I thought he was never going to leave.
You can see a couple of pics here, but they're nothing special, I was very far: