I found this tower of bone blocks that seem to have been repeating verically. I took a few screenshots of the tower. You can tell it's a structure stacked on itself at certain angles
Environment
Java Snapshot 20w06a, OS is Windows 10,
MC-171632
Bone Structure Tower
Resolved
Duplicate
0
(Unassigned)
Unconfirmed
1.16, 20w06a, bone_block, soul_sand_valley, tower
20w06a
Retrieved
Duplicate of MC-170815 - please search in the future