Adds new structures to try to fill the gaps left by Vanilla structures, and refreshes some existing ones.
A Surface Mineshaft entrance at sunrise
The main section of the surface layer in a Conquered Stronghold
the bottom floor's portal room hallway
Looking through 2 corridors in a Surface Mineshaft
A puzzling room
The entrance
A view with a Mud Ruin generated off the side of a cliff
Looking up from the floor in a large building with a tree in a Mud Ruin
Mush in a Big Mushroom
A large room, but gamma boosted
One of two refreshed variants, in a desert