academic-institution backwall beams benches between-classes boys brown building children class classroom corrugated-iron corrugations covered decorated decorations design designed desks doors education furniture girls ground-floor interior light lines open open-space pillars posts property pupils roof roofing room school school-uniforms seating shelter steps students whiteboard windows wood aircraft airplane aviation lightning P-38 propeller warbird wwii B-17 bomber combat flying fortress military Australia burn cane crop fire flame harvest sugar clouds Grasslands horizon marsh puffy clouds sky wetlands aeroplane factory bole etnic folk old pine pine-tree textures trunk