The house 7, wherein said ventilation system further comprises four lower compartments that are tubular and are disposed in said lower compartment holding space of {TAIL ~ said main portion} and extend vertically from said lowermost floor of said main portion to {HEAD ~ said uppermost floor} of said main portion 
The house 7 , wherein said ventilation system further comprises four lower compartments that are tubular and are disposed in said lower compartment holding space of { TAIL ~ said main portion } and extend vertically from said lowermost floor of said main portion to { HEAD ~ said uppermost floor } of said main portion
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH