3 ms·

Is there any reason why you guys don't have your reservoirs underground? It seems to me that that would solve a lot of problems.

• rmc 11y ago
  They're pretty hard to dig. Outside resivour can be made by damming a mountain valley and filling it in.
• zz1 11y ago
  They have space, and they conceived this system, like many others, thinking of what was the easiest thing to do, disregarding a low-maintenance approach.