Hole in the ground.
Further development and technological innovation
Seems to me that if we take all of the swoopy, smooth triangular stuff with high precision internal ducting out of the equation altogether, it would make much more sense. Which leaves us with a problem as to where to re-insert it. After or before?
Edited 4 time(s). Last edit at 07-Feb-16 05:35 by Jon Ellison.