The following are changes to caves for Miami 50x are vanilla, without mods. The structures in place are indestructible, and are to be treated as an actual terrain wall, any meshing or mesh attacking is prohibited.
CRYSTAL ISLES
DRAGON CAVE
(COORDS: LAT 48.8 - LON 74.9)
Main entrance lowered.
Second and other alternate entrances blocked.
SPIDER CAVE
(COORDS: LAT 34 - LON 27)
Main entrance lowered.
Second entrance blocked.