there is a 256 by 256 hole that goe...

there is a 256 by 256 hole that goes down to bedrock level please make it a nucluear crater that is survival blocks freindly make sure the have green gunk and liquid the crater will flaten around 50 blocks from the center but the crater starts at 250 blocks so 10 blocks from the edge and have green glass fog lakes have random broken pipes and greyscaled wrecked old civilization builds scattered in the crater not to big. use mostly black grey and green dont worrry about the outside of the crater