Spawn schematics

Hey folks,

I found two interesting spawns on planet minecraft, themed around trees :

Spoiler:

And

Spoiler:

which can be found respectively here and here

They can be edited in with world edit, and modified to our heart content  

I like the Basin one, mainly because it does indeed look like a tree.
And on the inside, you could make "termite" pathways up, with the entrance in the trunk after climbing up the roots.