Wowie Kazowie, looks like I'll be VERY busy working on my Sesame Street scale model this fall: I think I've noticed more set changes than William pointed out...
1. Yes, Gina's office is an auto shop, but also notice there's no staircase to the attic anymore, nor is there that apartment building directly behind it.
2. The ground in the arbor in general looks different as well.
3. The apartments in the garden area (between Gina's office and 123), the bottom right window is now missing, and covered by vines, the top middle window now has one of thos metal fire escapes in front of it, while the bottom middle window lost its awning.
4. The wall of the alley next to Big Bird's nest appears to be lacking the climbing vines.
5. Looks like Gordon and Susan have blue curtains again.
6. Yes, Hooper's does look different, but I wish there was a better picture so we can see exactly how much it's been changed.