When a desert pyramid generates above a big cave, sometimes the generation extends all the way down to the lowest y level, creating long sandstone pillars underground looking out of place.

How to reproduce

1. Create a world with the next seed:

   7952659848528261022
   

2. Execute this command:

   /execute in minecraft:overworld run tp @s 5422.28 74.30 4182.59 72.49 30.28
   

Expected result
Desert pyramids wouldn't generate large sandstone pillars in caves.

Observed result
The desert pyramid generated extending all the way down to the bottom of the cave, creating sandstone pillars that look out of place.