Just wanted to share this. I read the blog entry and saw that the newly released artwork is intended to be the first show scene after we drop down into the showbuilding. From the image Disney shared, this may potentially involve partial if not full re-build of the sets, as if this scene is placed on the first "bend" in the attraction, there isn't any room there currently.
(The "tunnel" before the fishing pond has a CM/Emergency walk way that comes out a little, right up on the trough on the right hand side, there would be no room for it as is.)
But then I thought about it for a bit, the dock in the image looks similar to the one that the three geese are standing on a little further into the show building. The issue is, this dock is on the RIGHT hand side of the track, while in the new image it's on the left. So I went ahead and mirrored the image out of curiosity:
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The frogs in the image are situated where the bullfrogs on Splash are now. The same with the dock. If true...then I wonder why the image was revealed mirrored. I hope I explained that in a way that makes sense.
Now of course, this is likely me WAY overthinking it, and Disney intends on doing a full or partial gut. Just random speculation on my part.