Hi, friends!

As you can see in the photos below, in the Pongo skin the buildings appear flat, while in other Luna skins, they are in classic 3d.

Spoiler: Pics
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The two skins have the same sys.txt but I can't find a way to see 3D buildings in the Pongo skin.
Please help, I have looked inside the Pongo skin zip, but I can't find the trick.
Thanks!