I assume this will be used:I think that's how most of the foundations on the houses around here were done, tbh.
But you can also light a really hot fire and dowse the heated rock with cold water to brittle it. That's how the ol' Egyptians created the foundation for the pyramids - scientists claim.
 
	 
 
		 
			
		
		
		
	
	
			
		 
			
		
		
		
	
	
			
		 
 
		
 
 
		 
			
		
		
		
	
	
			
		
 
 
		 
			
		
		
		
	
	
			
		
 
 
		
 
			
 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		 
 
		