As described below {TAIL ~ the outer surfaces} of the panels 16 serve as {HEAD ~ image projection surfaces} 
As described below { TAIL ~ the outer surfaces } of the panels 16 serve as { HEAD ~ image projection surfaces }
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD