SPOILERS in the both the following:
This interesting 28m video goes into the book in some detail (great images as well)
https://www.youtube.com/watch?v=k2XXkauk0eU
A description at Wired
SPOILERS in the both the following:
This interesting 28m video goes into the book in some detail (great images as well)
https://www.youtube.com/watch?v=k2XXkauk0eU
A description at Wired