I want a rabbit hole
Down we go
A chain of 3 connected stories. Each one leads to the next for a reason.
- Level 1 If You Replace Every Plank, Is It Still the Same Ship?
-
A building that repairs itself, crystal by crystal. Same building?
Level 2 The Concrete That Heals Itself -
Romans built up with rock; the Soviets tried to drill straight down through it.
Level 3 The Deepest Hole Ever Dug