LOL, Pyro Sand Project!
It was a bomb! This big! I swear!I made a bomb on Pyro Sand. It was full of gunpowder, nitro and napalm, lined with a thin layer of C-4. I just had to set the c-4 alight and boom!

I surrounded it by a thin wall then a thick wall to show the outcome, what happened after the bomb blown up. 'Twas a huuuuuge 'splosion.
This is what it looked like after the bomb blown up:

Hmm... doesn't look THAT bad.
'Nother picture!Woot, made this in Sand Doom!

...They were zombies. In a couple of years, they'll dig up to the surface.