Fire has always been the one element I could not prevent. I designed my future 'Home / Retreat / BOL" to be a defensive compound but fire is a major concern. Designed a roof top sprinkler system, steel roof, stucco exterior and no trees / crass / underbrush within 100 yards. Still not feeling warm and fuzzy regarding fires. At my current location, I have devised several exit points in case of fire. Arizona is one of the safest states in regard to natural disasters but every state is threatened by fires. There are limits to what a home owner can deal with in regards to fire. The posted pictures do indicate the a ground level (grass) fire moved to the buildings. I like the idea of rock landscaping, no burnable features. Less maintenance for rocks.