Read: In Ascension by Martin MacInnes ★★★★★ 📚
My goodness what an interesting book, from biology to spaceflight with climate change & corporate greed hanging over everything. Plenty of mystery, some from my own lack of knowledge some written in (or out).
Turtles:

Lifting the bulk from below, tipping forward, using the momentum of the minor collapse as a motive force, a means of going on.