Rainwater from the roof is collected and funneled into a 25,000 gallon underground cistern . Wastewater from showers , sinks and toilets goes into underground purifying tanks and then into the cistern . The collected water then irrigates the land surrounding the house . Surrounding flowers and shrubs native to the area enable the property to blend into the surrounding rural landscape .

Question: What is the reason you would enable the property to blend into the surrounding rural landscape ?
Answer: You can lay low and hunt for ruminants in this manner .None of the above choices .It is a popular and sustainable design choice .You can stay there undetected by coyotes .