Can confirm that they have it right -- a) I was there a couple of months ago (and this would have been a tremendous resource to view just before doing the walk

Can confirm that they have it right -- a) I was there a couple of months ago (and this would have been a tremendous resource to view just before doing the walk around), and b) they even have a picture of the contemporary circus maximus in the video. St Peter's is about 3km north-west of this site.